１回目 文字式の掛け算・割り算 数学・算数の教材公開ページ

1.

(1) ^a2×a4 (2) ^a2×a2

(3) ^m2×m (4) ^x4×x4

(5) ^y4×y3 (6) ^n3×n4

(7) 2c^3ס−4c^2¢ (8) ^a2ס−2a^2¢

(9) ^{¡−2a2¢×3a4} (10) ^{(−z) ס−4z4¢}

(11) ^{¡−c4¢×¡−c2¢} (12) ^¡−4m^3¢×(−m)

(13) ^{y × y3×y3} (14) ^x2×x2×x

(15) ^{z2×z × z4} (16) ^x3×x3×x4

(17) ^{¡−2y3¢×3y4ס−y4¢} (18) ^{2n3ס−2n3¢×¡−2n3¢}

2.

(1) ^{m ÷ m} ₍₂₎ b^3÷b³

(3) ^a5÷a (4) ^b4÷b2

(5) ^{x3 ÷x2} (6) ^y2÷y2

(7) ^¡−16y^5¢÷(−4y) (8) ^¡−6y^3¢÷(−3y)

(9) 6z^8÷2z⁴ ₍₁₀₎ ^¡−2m^4¢÷m²

(11) ^¡−4n^3¢÷n² ₍₁₂₎ ^¡−6a^4¢÷¡−3a^3¢

(13) ^y5÷y2÷y3 (14) ^b6÷b4÷b2

(15) ^c9÷c2÷c2 (16) ^a6÷a4÷a2

(17) 18x^9÷¡−2x^4¢÷3x⁴ (18) ^{8x6÷2x ÷ 2x4}

(19) 24n^10÷(−4n) ÷ 3n ₍₂₀₎ 8x^9÷¡−2x^2¢÷(−4x)

(1) 5^m 3^{m (2)} 4^{b (−6b)}

(3) ^{³− 1} 6^c

´

×

³

− 32^c

4^´ ₍₄₎ ^³

− 32^b

6^´

÷ 16^b

3

(5) ^{³− 5} 2^c

4^´

÷ 56^c

3 ₍₆₎ ^³

− 52^y

5^´

÷ 56^y

4

(7) ^{y4×y ÷ y2} (8) ^c3×c2÷c

(9) ^a2×a3÷a4 (10) ^{z2÷z × z4}

(11) ^{c2÷c × c2} (12) ^{m4÷m × m2}

(13) ^{¡−3m3¢×6m2÷(−2m)} (14) ^{¡−16z4¢×z ÷¡−4z2¢}

(15) (−a) × (−16a) ÷ (−4a) _{(16) 12x × 3x}^{4 ÷¡−}_3x^5¢

(17) (−12m) ÷ (−3m) ×^¡−3m^2¢ (18) 2z^2÷¡−2z^2¢×2z²

(19) 8z^4÷2z^3×(−4z) ₍₂₀₎ ^¡−3m^2¢÷2m × 6m

4.

(1) ³ 2^x

2×

³

− 56^x

2^´ ₍₂₎

(−6a) ×^{³− 1} 3^a

´

(3) ^{³− 5} 2^c

3^´

×_6c² _{(4) (−3b) × 1}

6^b

(5) ^{³− 1} 6^m

3^´

×

³

− 32^m

´ (6) ¹

3^y

7÷ 1 6^y

3

(7) ¹ 3^z

4÷ 5 6^z

2 (8) ^{³− 4}

3ⁿ

4^´

÷

³

− 56ⁿ

´

(9) ^{³− 3} 4^a

5^´

÷ 16 ^a

2 ₍₁₀₎ ^³

− 53^b

4^´

÷

³

− 16^b

´

(11) ^{x8 ÷x ÷ x4} (12) ^{y2÷y × y}

(13) ^c5÷c2÷c (14) ^b2×b2÷b2

(15) 24y^8÷¡−3y^3¢÷2y³ (16) (−4n) ÷ 2n ×^¡−8n^3¢

(17) ^¡−2c^2¢÷c^2ס−2c^3¢ (18) 4n^4×n^3ס−3n^4¢

(19) ^{¡−4m4¢÷¡−4m2¢×¡−12m4¢ (20)} 2x × 2x ÷ x

1.

(1) ^a2×a4

a

(2) ^a2×a2

a

(3) ^m2×m

m

(4) ^x4×x4

x

(5) ^y4×y3

y

(6) ^n3×n4

n

(7) 2c^3ס−4c^2¢

− ^{8 c}

5

(8) ^a2ס−2a^2¢

− ^{2 a}

4

(9) ^{¡−2a2¢×3a4}

− ^{6 a}

6

(10) ^{(−z) ס−4z4¢}

4 _z

(11) ^{¡−c4¢×¡−c2¢}

c

(12) ^¡−4m^3¢×(−m)

4 _m

(13) ^{y × y3×y3}

y

(14) ^x2×x2×x

x

(15) ^{z2×z × z4}

z

(16) ^x3×x3×x4

x

(17) ^{¡−2y3¢×3y4ס−y4¢}

6 _y

(18) ^{2n3ס−2n3¢×¡−2n3¢}

8 _n

2.

(1) ^{m ÷ m}

1

(2) ^b3÷b3

1

(3) ^a5÷a

a

(4) ^b4÷b2

b

(5) ^{x3 ÷x2}

x

(6) ^y2÷y2

1

(7) ^¡−16y^5¢÷(−4y)

4 _y

(8) ^¡−6y^3¢÷(−3y)

2 _y

(9) 6z^8÷2z⁴

3 _z

(10) ^{¡−2m4¢÷m2}

− ^{2 m}

2

(11) ^¡−4n^3¢÷n²

− ^{4 n}

(12) ^¡−6a^4¢÷¡−3a^3¢

2 _a

(13) ^y5÷y2÷y3

1

(14) ^b6÷b4÷b2

1

(15) ^c9÷c2÷c2

c

(16) ^a6÷a4÷a2

1

(17) 18x^9÷¡−2x^4¢÷3x⁴

− ^{3 x}

(18) ^{8x6÷2x ÷ 2x4}

2 _x

(19) 24n^10÷(−4n) ÷ 3n

− ^{2 n}

8

(20) ^{8x9÷¡−2x2¢÷(−4x)}

x

(1) 5^m 3^m

2 _m

(2) 4^{b (−6b)}

3

2 ^b

3

(3) ^{³− 1} 6^c

´

×

³

− 32^c

4^´

1

4 ^c

5

(4) ^{³− 3} 2^b

6^´

÷ 16^b

3

− ^{9 b}

3

(5) ^{³− 5} 2^c

4^´

÷ 56^c

3

− ^{3 c}

(6) ^{³− 5} 2^y

5^´

÷ 56^y

4

− ^{3 y}

(7) ^{y4×y ÷ y2}

y

(8) ^c3×c2÷c

c

(9) ^a2×a3÷a4

a

(10) ^{z2÷z × z4}

z

(11) ^{c2÷c × c2}

c

(12) ^{m4÷m × m2}

m

(13) ^{¡−3m3¢×6m2÷(−2m)}

9 _m

(14) ^{¡−16z4¢×z ÷¡−4z2¢}

4 _z

(15) (−a) × (−16a) ÷ (−4a)

− ^{4 a}

(16) 12x × 3x^{4 ÷¡−}3x^5¢

− ¹²

(17) (−12m) ÷ (−3m) ×^¡−3m^2¢

− ^{12 m}

2

(18) 2z^2÷¡−2z^2¢×2z²

− ^{2 z}

2

(19) 8z^4÷2z^3×(−4z) ₍₂₀₎ ^¡−3m^2¢÷2m × 6m

4.

(1) ³ 2^x

2×

³

− 56^x

2^´

−

5

4 ^x

4

(2) ^{(−6a) ׳− 1} 3^a

´

2 _a

(3) ^{³− 5} 2^c

3^´

×_6c²

− ^{15 c}

5

(4) ^{(−3b) × 1} 6^b

−

1

2 ^b

2

(5) ^{³− 1} 6^m

3^´

×

³

− 32^m

´

1

4 ^m

4

(6) ¹ 3^y

7÷ 1 6^y

3

2 _y

(7) ¹ 3^z

4÷ 5 6^z

2

2

5 ^z

2

(8) ^{³− 4} 3ⁿ

4^´

÷

³

− 56ⁿ

´

8

5 ⁿ

3

(9) ^{³− 3} 4^a

5^´

÷ 16 ^a

2

−

9

2 ^a

3

(10) ^{³− 5} 3^b

4^´

÷

³

− 16^b

´

10 _b

(11) ^{x8 ÷x ÷ x4}

x

(12) ^{y2÷y × y}

y

(13) ^c5÷c2÷c

c

(14) ^b2×b2÷b2

b

(15) 24y^8÷¡−3y^3¢÷2y³

− ^{4 y}

2

(16) (−4n) ÷ 2n ×^¡−8n^3¢

16 _n

(17) ^¡−2c^2¢÷c^2ס−2c^3¢

4 _c

(18) 4n^4×n^3ס−3n^4¢

− ^{12 n}

11

(19) ^{¡−4m4¢÷¡−4m2¢×¡−12m4¢}

− ^{12 m}

6

(20) 2x × 2x ÷ x

4 _x