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(1) ^{³− 4} 7^b

´

× 16^b

3 ₍₂₎

6a^{2× 7} 4^a

(3) ⁶ 5^{n ×}

³

− 54ⁿ

´ (4) ¹

6^m

3× 2 5^m

4

(5) ⁶ 5^m

2× 7 4^m

4 ₍₆₎ ^³

− 56^m

6^´

÷

³

− 12^m

4^´

(7) ¹ 6^y

3÷

³

− 43^y

2^´ ₍₈₎ ^³

− 12^y

4^´

÷

³

− 16^y

3^´

(9) ^{³− 1} 6^a

6^´

÷

³

− 32^a

2^´ ₍₁₀₎ ^³

− 56^c

6^´

÷

³

− 13^c

3^´

(11) ^a6÷a3÷a (12) ^{n4÷n ÷ n2}

(13) ^{x3 ×x2÷x} (14) ^{x2÷x × x2}

(15) (−2z) × 2z × z _{(16) 3a}^3÷_3a^2ס−_3a^2¢

(17) (0x) × 3x^2÷3x ₍₁₈₎ 3m^6÷(−m) ÷^¡−3m^3¢

(19) (−3y) ÷ (−y) × 3y ₍₂₀₎ ^¡−_2x^3¢×¡−_2x^3¢×¡−_4x^4¢

(1) ^{³− 4} 7^b

´

× 16^b

3

−

2

21 ^b

4

(2) ^{6a2× 7} 4^a

21

2 ^a

3

(3) ⁶ 5^{n ×}

³

− 54ⁿ

´

−

3

2 ⁿ

2

(4) ¹ 6^m

3× 2 5^m

4

1

15 ^m

7

(5) ⁶ 5^m

2× 7 4^m

4

21

10 ^m

6

(6) ^{³− 5} 6^m

6^´

÷

³

− 12^m

4^´

5

3 ^m

2

(7) ¹ 6^y

3÷

³

− 43^y

2^´

−

1

8 ^y

(8) ^{³− 1} 2^y

4^´

÷

³

− 16^y

3^´

3 _y

(9) ^{³− 1} 6^a

6^´

÷

³

− 32^a

2^´

1

9 ^a

4

(10) ^{³− 5} 6^c

6^´

÷

³

− 13^c

3^´

5

2 ^c

3

(11) ^a6÷a3÷a

a

(12) ^{n4÷n ÷ n2}

n

(13) ^{x3 ×x2÷x}

x

(14) ^{x2÷x × x2}

x

(15) (−2z) × 2z × z

− ^{4 z}

3

(16) ^{3a3÷3a2ס−3a2¢}

− ^{3 a}

3

(17) (0x) × 3x^2÷3x

0 _x

(18) 3m^6÷(−m) ÷^¡−3m^3¢

m

(19) (−3y) ÷ (−y) × 3y

9 _y

(20) ^¡−2x^3¢×¡−2x^3¢×¡−4x^4¢

− ^{16 x}

10

(1) ^{³− 6} 5^a

´

×

³

− 23^a

2^´ ₍₂₎ ^³

− 65ⁿ

4^´

× 53ⁿ

3

(3) ^{³− 3} 4^z

3^´

× 16^z

2 ₍₄₎ 3

5^c

2× 5 6^c

2

(5) ² 5^z

4×

³

− 16^z

2^´ ₍₆₎ 5

2^x

7÷ 3 4^x

4

(7) ^{³− 7} 4^a

5^´

÷

³

− 52^a

3^´ ₍₈₎ ^³

− 56^a

4^´

÷

³

− 43^a

3^´

(9) ^{³− 5} 6^x

6^´

÷ 13^x

4 ₍₁₀₎ ^³

− 16^x

8^´

÷ 43^x

4

(11) ^z4×z2×z (12) ^{y6÷y ÷ y2}

(13) ^n8÷n4÷n3 (14) ^c3÷c2×c4

(15) ^{¡0n3¢×2n4÷¡−2n3¢} (16) ^{32x8÷(−4x) ÷¡−2x2¢}

(17) 3z ×^¡−4z^2¢×¡−3z^3¢ (18) 3x^3×3x^2ס−3x^4¢

(19) ^6z3÷3z3×4z (20) (−3b) ×^¡−2b^2¢×4b³

(1) ^{³− 6} 5^a

´

×

³

− 23^a

2^´

4

5 ^a

3

(2) ^{³− 6} 5ⁿ

4^´

× 53ⁿ

3

− ^{2 n}

7

(3) ^{³− 3} 4^z

3^´

× 16^z

2

−

1

8 ^z

5

(4) ³ 5^c

2× 5 6^c

2

1

2 ^c

4

(5) ² 5^z

4×

³

− 16^z

2^´

−

1

15 ^z

6

(6) ⁵ 2^x

7÷ 3 4^x

4

10

3 ^x

3

(7) ^{³− 7} 4^a

5^´

÷

³

− 52^a

3^´

7

10 ^a

2

(8) ^{³− 5} 6^a

4^´

÷

³

− 43^a

3^´

5

8 ^a

(9) ^{³− 5} 6^x

6^´

÷ 13^x

4

−

5

2 ^x

2

(10) ^{³− 1} 6^x

8^´

÷ 43^x

4

−

1

8 ^x

4

(11) ^z4×z2×z

z

(12) ^{y6÷y ÷ y2}

y

(13) ^n8÷n4÷n3

n

(14) ^c3÷c2×c4

c

(15) ^{¡0n3¢×2n4÷¡−2n3¢}

0 _n

(16) ^{32x8÷(−4x) ÷¡−2x2¢}

4 _x

(17) 3z ×^¡−4z^2¢×¡−3z^3¢

36 _z

(18) 3x^3×3x^2ס−3x^4¢

− ^{27 x}

9

(19) ^6z3÷3z3×4z

8 _z

(20) (−3b) ×^¡−2b^2¢×4b³

24 _b

(1) ⁵ 6^{b ×}

³

− 35^b

´ (2) ⁴

3^{c × 6}5^c

4

(3) ⁵ 4^z

3×^¡−_6z^4¢ ₍₄₎ ^¡−_6x^4¢×

³

− 43^x

2^´

(5) ¹ 6^{y ×}

³

− 25^y

3^´ _{(6) 5}

6^z

2÷

³

− 43^z

´

(7) ^{³− 2} 3^y

6^´

÷ 56 ^y

3 _{(8) 2}

3ⁿ

8÷

³

− 16ⁿ

4^´

(9) ^{³− 5} 3^x

8^´

÷ 16^x

4 ₍₁₀₎ 5

6^x

6÷ 3 2^x

4

(11) ^{b ÷ b × b} (12) ^{x2÷x × x}

(13) ^z4×z3×z2 (14) ^c8÷c2÷c4

(15) ^{a3×3a2ס−3a2¢} (16) ^{¡−3c3¢÷2c3ס−6c4¢}

(17) (0b) ×^¡−4b^3¢÷3b³ (18) ^¡−3b^4¢×b^4ס−4b^4¢

(19) ^¡−12b^9¢÷(−2b) ÷ (−3b) (20) ^{12b5÷4b3÷3b2}

(1) ⁵ 6^{b ×}

³

− 35^b

´

−

1

2 ^b

2

(2) ⁴

3^{c × 6}5^c

4

8

5 ^c

5

(3) ⁵ 4^z

3×^¡−_6z^4¢

−

15

2 ^z

7

(4) ^{¡−6x4¢×³− 4} 3^x

2^´

8 _x

(5) ¹ 6^{y ×}

³

− 25^y

3^´

−

1

15 ^y

4

(6) ⁵ 6^z

2÷

³

− 43^z

´

−

5

8 ^z

(7) ^{³− 2} 3^y

6^´

÷ 56 ^y

3

−

4

5 ^y

3

(8) ² 3ⁿ

8÷

³

− 16ⁿ

4^´

− ^{4 n}

4

(9) ^{³− 5} 3^x

8^´

÷ 16^x

4

− ^{10 x}

4

(10) ⁵ 6^x

6÷ 3 2^x

4

5

9 ^x

2

(11) ^{b ÷ b × b}

b

(12) ^{x2÷x × x}

x

(13) ^z4×z3×z2

z

(14) ^c8÷c2÷c4

c

(15) ^{a3×3a2ס−3a2¢}

− ^{9 a}

7

(16) ^{¡−3c3¢÷2c3ס−6c4¢}

9 _c

(17) (0b) ×^¡−4b^3¢÷3b³

0 _b

(18) ^¡−3b^4¢×b^4ס−4b^4¢

12 _b

(19) ^¡−12b^9¢÷(−2b) ÷ (−3b)

− ^{2 b}

7

(20) ^{12b5÷4b3÷3b2}

1

(1) ^{¡−6z3¢× 4}

3^{z (2)}

5 2^c

3× 6 5^c

2

(3) ^{³− 6} 5^z

´

×

³

− 53^z

4^´ ₍₄₎ ^¡

−_2m^3¢× 5 4^m

2

(5) ⁴ 7^{n ×}

³

− 56ⁿ

3^´ ₍₆₎ ^³

− 54^y

8^´

÷ 16^y

4

(7) ⁵ 4^c

4÷

³

− 56^c

3^´ ₍₈₎ ^³

− 56^a

4^´

÷

³

− 32^a

´

(9) ^{³− 3} 4ⁿ

3^´

÷

³

− 56ⁿ

2^´ ₍₁₀₎ ^³

− 56ⁿ

3^´

÷

³

− 53ⁿ

´

(11) ^c2×c3×c4 (12) ^x7÷x3÷x2

(13) ^a4÷a4×a (14) ^{c × c2÷c3}

(15) ^{¡−2y3¢×4y2÷(−2y)} (16) ^{¡−n4¢÷n ×4n}

(17) 2y^2÷y ×^¡−2y^3¢ (18) ^¡−8m^7¢÷¡−2m^4¢÷(−4m)

(19) (−2m) × 3m × 2m² ₍₂₀₎ ^¡−12n^10¢÷3n^3÷¡−2n^4¢

(1) ^{¡−6z3¢× 4} 3^z

− ^{8 z}

4

(2) ⁵ 2^c

3× 6 5^c

2

3 _c

(3) ^{³− 6} 5^z

´

×

³

− 53^z

4^´

2 _z

(4) ^¡−2m^{3¢× 5} 4^m

2

−

5

2 ^m

5

(5) ⁴ 7^{n ×}

³

− 56ⁿ

3^´

−

10

21 ⁿ

4

(6) ^{³− 5} 4^y

8^´

÷ 16^y

4

−

15

2 ^y

4

(7) ⁵ 4^c

4÷

³

− 56^c

3^´

−

3

2 ^c

(8) ^{³− 5} 6^a

4^´

÷

³

− 32^a

´

5

9 ^a

3

(9) ^{³− 3} 4ⁿ

3^´

÷

³

− 56ⁿ

2^´

9

10 ⁿ

(10) ^{³− 5} 6ⁿ

3^´

÷

³

− 53ⁿ

´

1

2 ⁿ

2

(11) ^c2×c3×c4

c

(12) ^x7÷x3÷x2

x

(13) ^a4÷a4×a

a

(14) ^{c × c2÷c3}

1

(15) ^{¡−2y3¢×4y2÷(−2y)}

4 _y

(16) ^{¡−n4¢÷n ×4n}

− ^{4 n}

4

(17) 2y^2÷y ×^¡−2y^3¢

− ^{4 y}

4

(18) ^¡−8m^7¢÷¡−2m^4¢÷(−4m)

−m

2

(19) (−2m) × 3m × 2m²

− ^{12 m}

4

(20) ^¡−12n^10¢÷3n^3÷¡−2n^4¢

2 _n

(1) ^{6m4× 5} 4^m

3 _{(2) 6}

5^{y ×}

³

− 53^y

4^´

(3) ^{³− 7} 4^x

´

×

³

− 25^x

´ (4) ^{³− 6}

5^c

´

× 34^c

(5) ^{³− 4} 3ⁿ

´

× 12ⁿ

2 _{(6) 5}

2^y

2÷

³

− 16^y

´

(7) ⁵ 6^m

4÷ 5 3^m

2 _{(8) 5}

3^a

5÷

³

− 16^a

2^´

(9) ^{³− 1} 6^b

4^´

÷

³

− 23^b

´ (10) ^{³− 5}

2^m

8^´

÷

³

− 34^m

4^´

(11) ^{x2 ÷x × x4} (12) ^{z × z4÷z}

(13) ^{n × n × n} ₍₁₄₎ z^3×z × z⁴

(15) ^{¡−8a2¢÷2a × (−2a)} (16) 4c^3×(−4c) ÷ 2c⁴

(17) 2x ×^¡−3x^3¢×x⁴ ₍₁₈₎ 4b^3×2b^{3 ÷¡−}b^3¢

(19) ^y3ס−2y^4¢×(−3y) (20) ^¡−12z^10¢÷3z^2÷(−2z)

(1) ^{6m4× 5} 4^m

3

15

2 ^m

7

(2) ⁶ 5^{y ×}

³

− 53^y

4^´

− ^{2 y}

5

(3) ^{³− 7} 4^x

´

×

³

− 25^x

´

7

10 ^x

2

(4) ^{³− 6} 5^c

´

× 34^c

−

9

10 ^c

2

(5) ^{³− 4} 3ⁿ

´

× 12ⁿ

2

−

2

3 ⁿ

3

(6) ⁵ 2^y

2÷

³

− 16^y

´

− ^{15 y}

(7) ⁵ 6^m

4÷ 5 3^m

2

1

2 ^m

2

(8) ⁵ 3^a

5÷

³

− 16^a

2^´

− ^{10 a}

3

(9) ^{³− 1} 6^b

4^´

÷

³

− 23^b

´

1

4 ^b

3

(10) ^{³− 5} 2^m

8^´

÷

³

− 34^m

4^´

10

3 ^m

4

(11) ^{x2 ÷x × x4}

x

(12) ^{z × z4÷z}

z

(13) ^{n × n × n}

n

(14) ^{z3×z × z4}

z

(15) ^{¡−8a2¢÷2a × (−2a)}

8 _a

(16) 4c^3×(−4c) ÷ 2c⁴

− ⁸

(17) 2x ×^¡−3x^3¢×x⁴

− ^{6 x}

8

(18) 4b^3×2b^{3 ÷¡−}b^3¢

− ^{8 b}

3

(19) ^y3ס−2y^4¢×(−3y)

6 _y

(20) ^¡−12z^10¢÷3z^2÷(−2z)

2 _z

(1) ⁵ 6^y

2×

³

− 34^y

2^´ ₍₂₎

(−6c) × 1 3^c

3

(3) ^{³− 1} 6^m

2^´

×

³

− 35^m

4^´ ₍₄₎

6c^{3׳− 1} 2^c

´

(5) ^{³− 5} 2^z

2^´

×

³

− 65^z

2^´ ₍₆₎ ^³

− 74^a

8^´

÷

³

− 12^a

4^´

(7) ² 3^m

5÷

³

− 56^m

4^´ _{(8) 3}

4ⁿ

5÷

³

− 16ⁿ

3^´

(9) ⁵ 4^x

4÷ 1 2^x

2 (10) ^{³− 1}

6^z

4^´

÷ 53^z

2

(11) ^a4÷a4×a4 (12) ^{n10÷n ÷ n2}

(13) ^b2×b3×b (14) ^x4÷x4×x

(15) ^{4a3ס−3a3¢÷4a3} (16) (−4x) ÷ 3x ×^¡−3x^4¢

(17) 3a^4×9a ÷ (−3a) ₍₁₈₎ ^¡−2z^2¢×¡−4z^4¢÷z³

(19) ^¡−4b^7¢÷2b^2÷¡−2b^2¢ (20) 2c^3ס−4c^3¢×(−4c)

(1) ⁵ 6^y

2×

³

− 34^y

2^´

−

5

8 ^y

4

(2) ^{(−6c) × 1} 3^c

3

− ^{2 c}

4

(3) ^{³− 1} 6^m

2^´

×

³

− 35^m

4^´

1

10 ^m

6

(4) ^{6c3׳− 1} 2^c

´

− ^{3 c}

4

(5) ^{³− 5} 2^z

2^´

×

³

− 65^z

2^´

3 _z

(6) ^{³− 7} 4^a

8^´

÷

³

− 12^a

4^´

7

2 ^a

4

(7) ² 3^m

5÷

³

− 56^m

4^´

−

4

5 ^m

(8) ³ 4ⁿ

5÷

³

− 16ⁿ

3^´

−

9

2 ⁿ

2

(9) ⁵ 4^x

4÷ 1 2^x

2

5

2 ^x

2

(10) ^{³− 1} 6^z

4^´

÷ 53^z

2

−

1

10 ^z

2

(11) ^a4÷a4×a4

a

(12) ^{n10÷n ÷ n2}

n

(13) ^b2×b3×b

b

(14) ^x4÷x4×x

x

(15) ^{4a3ס−3a3¢÷4a3}

− ^{3 a}

3

(16) (−4x) ÷ 3x ×^¡−3x^4¢

4 _x

(17) 3a^4×9a ÷ (−3a)

− ^{9 a}

4

(18) ^¡−2z^2¢×¡−4z^4¢÷z³

8 _z

(19) ^¡−4b^7¢÷2b^2÷¡−2b^2¢

b

(20) 2c^3ס−4c^3¢×(−4c)

32 _c

(1) ^{³− 1} 2^x

2^´

×_4x² ₍₂₎ ^¡−_4m^4¢× 1

2^m

3

(3) ^{³− 1} 3^b

2^´

×_6b³ ₍₄₎

³

− 23^c

2^´

×_(−6c)

(5) ² 3^x

4× 5 4^x

4 ₍₆₎ ^³

− 53ⁿ

3^´

÷

³

− 16ⁿ

´

(7) ³ 4^a

5÷ 1 2^a

4 _{(8) 1}

2^m

6÷

³

− 74^m

2^´

(9) ^{³− 3} 4^a

6^´

÷

³

− 16^a

3^´ ₍₁₀₎ ^³

− 23^y

5^´

÷

³

− 16^y

4^´

(11) ^z4÷z3÷z (12) ^b2×b3÷b

(13) ^{c7÷c ÷ c4} (14) ^{n4÷n × n4}

(15) ^{¡−32x5¢÷2x ÷ (−4x)} (16) 8z^2×(−2z) ÷ 2z

(17) 4a^2×3a^2×3a² (18) (−c) × 2c ÷ (−2c)

(19) ^¡−2m^4¢×¡−3m^3¢÷¡−2m^2¢ (20) ^¡−8y^7¢÷(−2y) ÷ 4y⁴

(1) ^{³− 1} 2^x

2^´

×_4x²

− ^{2 x}

4

(2) ^{¡−4m4¢× 1} 2^m

3

− ^{2 m}

7

(3) ^{³− 1} 3^b

2^´

×_6b³

− ^{2 b}

5

(4) ^{³− 2} 3^c

2^´

×_(−6c)

4 _c

(5) ² 3^x

4× 5 4^x

4

5

6 ^x

8

(6) ^{³− 5} 3ⁿ

3^´

÷

³

− 16ⁿ

´

10 _n

(7) ³ 4^a

5÷ 1 2^a

4

3

2 ^a

(8) ¹ 2^m

6÷

³

− 74^m

2^´

−

2

7 ^m

4

(9) ^{³− 3} 4^a

6^´

÷

³

− 16^a

3^´

9

2 ^a

3

(10) ^{³− 2} 3^y

5^´

÷

³

− 16^y

4^´

4 _y

(11) ^z4÷z3÷z

1

(12) ^b2×b3÷b

b

(13) ^{c7÷c ÷ c4}

c

(14) ^{n4÷n × n4}

n

(15) ^{¡−32x5¢÷2x ÷ (−4x)}

4 _x

(16) 8z^2×(−2z) ÷ 2z

− ^{8 z}

2

(17) 4a^2×3a^2×3a²

36 _a

(18) (−c) × 2c ÷ (−2c)

c

(19) ^¡−2m^4¢×¡−3m^3¢÷¡−2m^2¢

− ^{3 m}

5

(20) ^¡−8y^7¢÷(−2y) ÷ 4y⁴

y

(1) ⁶ 5^c

4× 1 4^c

3 ₍₂₎

(−6y) × 1 4^y

3

(3) ^{³− 1} 6^c

4^´

×^¡−_3c^3¢ ₍₄₎

³

− 53^z

4^´

× 65^z

2

(5) ^{³− 3} 2ⁿ

´

×_{4n (6)}

³

− 34^y

4^´

÷

³

− 16^y

3^´

(7) ^{³− 5} 3^z

6^´

÷ 16^z

4 _{(8) 1}

6^a

3÷ 1 2^a

2

(9) ⁵ 3^m

4÷

³

− 16^m

3^´ ₍₁₀₎ 5

3^b

5÷ 5 6^b

3

(11) ^{n2÷n × n} (12) ^{m × m3×m3}

(13) ^m2×m2÷m2 (14) ^z2×z2×z2

(15) ^{¡−4b2¢×¡−4b4¢÷4b3} (16) ^{3y4×3y2÷¡−3y3¢}

(17) ^¡−6z^9¢÷z^4÷2z⁴ (18) 18b^7÷3b^2÷(−2b)

(19) ^a2ס−2a^2¢÷¡−2a^3¢ (20) ^{12x9÷3x2÷(−2x)}

(1) ⁶ 5^c

4× 1 4^c

3

3

10 ^c

7

(2) ^{(−6y) × 1} 4^y

3

−

3

2 ^y

4

(3) ^{³− 1} 6^c

4^´

×^¡−_3c^3¢

1

2 ^c

7

(4) ^{³− 5} 3^z

4^´

× 65^z

2

− ^{2 z}

6

(5) ^{³− 3} 2ⁿ

´

×_4n

− ^{6 n}

2

(6) ^{³− 3} 4^y

4^´

÷

³

− 16^y

3^´

9

2 ^y

(7) ^{³− 5} 3^z

6^´

÷ 16^z

4

− ^{10 z}

2

(8) ¹ 6^a

3÷ 1 2^a

2

1

3 ^a

(9) ⁵ 3^m

4÷

³

− 16^m

3^´

− ^{10 m}

(10) ⁵ 3^b

5÷ 5 6^b

3

2 _b

(11) ^{n2÷n × n}

n

(12) ^{m × m3×m3}

m

(13) ^m2×m2÷m2

m

(14) ^z2×z2×z2

z

(15) ^{¡−4b2¢×¡−4b4¢÷4b3}

4 _b

(16) ^{3y4×3y2÷¡−3y3¢}

− ^{3 y}

3

(17) ^¡−6z^9¢÷z^4÷2z⁴

− ^{3 z}

(18) 18b^7÷3b^2÷(−2b)

− ^{3 b}

4

(19) ^a2ס−2a^2¢÷¡−2a^3¢

a

(20) ^{12x9÷3x2÷(−2x)}

− ^{2 x}

6

(1) ^{³− 2} 3ⁿ

3^´

×

³

− 16ⁿ

4^´ _{(2) 2}

3^c

4×_6c³

(3) ² 3^a

4×_{6a (4)} ¹

6ⁿ

4×_(−3n)

(5) ^{³− 3} 4ⁿ

4^´

×

³

− 56ⁿ

2^´ ₍₆₎ ^³

− 16^m

5^´

÷ 13^m

2

(7) ⁵ 2ⁿ

5÷ 1 4ⁿ

3 ₍₈₎ ^³

− 56^c

5^´

÷

³

− 14^c

2^´

(9) ^{³− 1} 2^a

2^´

÷

³

− 74^a

´ (10) ⁵

6^a

8÷

³

− 23^a

4^´

(11) ^y3÷y3×y3 (12) ^b3÷b2×b3

(13) ^m3÷m2×m3 (14) ^{c8÷c ÷ c}

(15) 4n^3×3n^2÷2n² (16) (−3n) × (−4n) × 4n

(17) 6n^10÷(−3n) ÷^¡−n^3¢ ₍₁₈₎ ^¡−c^4¢×¡−2c^3¢÷c⁷

(19) ^¡−3n^2¢×¡−3n^3¢÷¡−3n^5¢ (20) (−m) × 2m × m

(1) ^{³− 2} 3ⁿ

3^´

×

³

− 16ⁿ

4^´

1

9 ⁿ

7

(2) ² 3^c

4×_6c³

4 _c

(3) ² 3^a

4×_6a

4 _a

(4) ¹ 6ⁿ

4×_(−3n)

−

1

2 ⁿ

5

(5) ^{³− 3} 4ⁿ

4^´

×

³

− 56ⁿ

2^´

5

8 ⁿ

6

(6) ^{³− 1} 6^m

5^´

÷ 13^m

2

−

1

2 ^m

3

(7) ⁵ 2ⁿ

5÷ 1 4ⁿ

3

10 _n

(8) ^{³− 5} 6^c

5^´

÷

³

− 14^c

2^´

10

3 ^c

3

(9) ^{³− 1} 2^a

2^´

÷

³

− 74^a

´

2

7 ^a

(10) ⁵ 6^a

8÷

³

− 23^a

4^´

−

5

4 ^a

4

(11) ^y3÷y3×y3

y

(12) ^b3÷b2×b3

b

(13) ^m3÷m2×m3

m

(14) ^{c8÷c ÷ c}

c

(15) 4n^3×3n^2÷2n²

6 _n

(16) (−3n) × (−4n) × 4n

48 _n

(17) 6n^10÷(−3n) ÷^¡−n^3¢

2 _n

(18) ^{¡−c4¢×¡−}2c^3¢÷c⁷

2

(19) ^¡−3n^2¢×¡−3n^3¢÷¡−3n^5¢

− ³

(20) (−m) × 2m × m

− ^{2 m}

3

(1) ^{³− 2} 3^a

3^´

×_6a² ₍₂₎ ^¡−_6b^3¢×

³

− 43^b

3^´

(3) ⁵ 6^b

2×_{(−3b) (4)} ⁵

4^{b ×(−6b)}

(5) ^{³− 5} 2ⁿ

´

× 47ⁿ

2 _{(6) 3}

2^c

5÷

³

− 16^c

2^´

(7) ⁵ 6^c

4÷

³

− 13^c

2^´ ₍₈₎ ^³

− 32ⁿ

6^´

÷

³

− 16ⁿ

4^´

(9) ⁵ 6^a

5÷

³

− 43^a

2^´ ₍₁₀₎ ^³

− 16^y

6^´

÷ 23^y

2

(11) ^{y × y ÷ y2} (12) ^m8÷m3÷m4

(13) ^{a3×a ÷ a} (14) ^{n4÷n × n4}

(15) 9z^4÷3z^2×3z ₍₁₆₎ ^¡−48m^5¢÷3m^4÷(−4m)

(17) ^¡−3b^2¢×(−b) ÷ b² (18) 4b ×^¡−4b^2¢×(−b)

(19) ^¡−4a^4¢×4a ÷ (−a) (20) ^b2×2b^4÷¡−2b^3¢

(1) ^{³− 2} 3^a

3^´

×_6a²

− ^{4 a}

5

(2) ^¡−6b^{3¢×³− 4} 3^b

3^´

8 _b

(3) ⁵ 6^b

2×_(−3b)

−

5

2 ^b

3

(4) ⁵

4^{b ×(−6b)}

−

15

2 ^b

2

(5) ^{³− 5} 2ⁿ

´

× 47ⁿ

2

−

10

7 ⁿ

3

(6) ³ 2^c

5÷

³

− 16^c

2^´

− ^{9 c}

3

(7) ⁵ 6^c

4÷

³

− 13^c

2^´

−

5

2 ^c

2

(8) ^{³− 3} 2ⁿ

6^´

÷

³

− 16ⁿ

4^´

9 _n

(9) ⁵ 6^a

5÷

³

− 43^a

2^´

−

5

8 ^a

3

(10) ^{³− 1} 6^y

6^´

÷ 23^y

2

−

1

4 ^y

4

(11) ^{y × y ÷ y2}

1

(12) ^m8÷m3÷m4

m

(13) ^{a3×a ÷ a}

a

(14) ^{n4÷n × n4}

n

(15) 9z^4÷3z^2×3z

9 _z

(16) ^{¡−48m5¢÷3m4÷(−4m)}

4

(17) ^¡−3b^2¢×(−b) ÷ b²

3 _b

(18) 4b ×^¡−4b^2¢×(−b)

16 _b

(19) ^¡−4a^4¢×4a ÷ (−a)

16 _a

(20) ^b2×2b^4÷¡−2b^3¢

−b

3