発展・３回目 反復練習プリント 負の数四則計算反復練習プリント 数学・算数の教材公開ページ hattenNo3test

正負の掛け算割り算・発展 _No.3

1.

(1) (−61) × (−5) = ₍₂₎ (−6_.1)^×4 =

(3) ^{8 × (−0}.3) = (4) ⁸.6^{×5 =}

(5) ⁽⁻⁰.7)^{×48 =} (6) ^{(−97) × 2}.2 =

(7) ⁽⁻⁹.9)^×(−1.3) = (8) ⁹.8^{×32 =}

(9) ⁽⁻³⁰.4)^{×4 =} (10) ^{4 × 7}.09 =

2.

(1) ¹ 6 ^×

³

− 34

´= ₍₂₎ (−6) ×^{³− 1}

4

´=

(3) ⁴ 5 ^×

³

− 52

´= ₍₄₎ ^{³− 2}

5

´

×

³

− 16

´=

(5) ^{6 × 1}

3 ^{= (6)}

4

7 ^{× 14}3 ⁼

(7) ^{(−6) ׳− 7} 12

´= ₍₈₎ ^{³− 8}

13

´

×

³

− 1112

´=

(9) ² 21 ^×

³

− 712

´= ₍₁₀₎ 12 ×^{³− 5}

8

´=

3.

(1) (−12) ÷ (−3) = (2) (−210) ÷ (−6) =

(3) ^{256 ÷ 4 =} (4) (−819) ÷ (−9) =

(5) (−36) ÷ 0.4 = (6) 53.76^÷6 =

(7) (−78.2)^÷46 = (8) 1782 ÷ 18 =

(9) ⁷⁹.38^{÷(−9) =} (10) ⁽⁻⁸.56)^{÷8 =}

4.

(1) ⁵ 4 ^÷

³

− 12

´= (2) ¹

3 ^{÷ 1}6 ⁼

(3) ⁷ 4 ^÷

³

− 16

´= ₍₄₎ ²

3 ^{÷ 1}6 ⁼

(5) ¹

6 ^{÷ 5}3 ^{= (6)}

³

− 1315

´

÷

³

− 1720

´=

(7) ^{³− 1} 12

´

÷

³

− 1718

´= ₍₈₎ ^{³− 4}

15

´

÷ 25 ⁼

(9) ^{³− 2} 9

´

÷ 1321 ^{= (10)}

7 18 ^÷

³

− 116

´=

5.

(1) (−3) × 20 ÷ 4 = (2) (−14) ÷ (−7) × (−5) =

(3) 49 ÷ 7 × (−7) = ₍₄₎ 224 ÷ (−7) ÷ 4 =

(5) (−18) ÷ 6 × 4 = (6) 270 ÷ (−5) ÷ (−6) =

(7) (−5) × 14 ÷ 2 = (8) (−96) ÷ (−4) ÷ 8 =

(9) 8 × 81 ÷ (−9) = ₍₁₀₎ 54 ÷ (−9) × 6 =

6.

(1) ¹¹ 6 ^×

³

− 12

´

÷

³

− 116

´= ₍₂₎ ^{³− 5}

6

´

× 58 ^{×(−4) =}

(3) ^{³− 5} 6

´

× 23 ^{÷ 2}9 ^{= (4)}

6 7 ^×

³

− 32

´

×

³

− 56

´=

(5) ^{³− 8} 9

´

÷

³

− 73

´

÷

³

− 56

´= ₍₆₎ ¹¹

6 ^÷

³

− 52

´

÷ 116 ⁼

(7) ¹¹

6 ^{× 5}2 ^÷

³

− 76

´= ₍₈₎ ^{³− 11}

6

´

× 76 ^{÷ 5}6 ⁼

(9) ¹¹ 6 ^×

³

− 32

´

× 67 ^{= (10)}

³

− 76

´

×

³

− 52

´

÷

³

− 76

´=

正負の掛け算割り算・発展 _No.3

1.

(1) (−61) × (−5) =

³⁰⁵

₋ ²⁴ _. ⁴

(3) ^{8 × (−0}.3) =

₋ ² _. ⁴

⁴³

(5) ⁽⁻⁰.7)^{×48 =}

₋ ³³ _. ⁶

₋ ²¹³ _. ⁴

(7) ⁽⁻⁹.9)^×(−1.3) =

¹² _. ⁸⁷

³¹³ _. ⁶

(9) ⁽⁻³⁰.4)^{×4 =}

₋ ¹²¹ _. ⁶

²⁸ _. ³⁶

2.

(1) ¹ 6 ^×

³

− 34

´=

₋ ¹

8

³

− 14

´=

³

2

(3) ⁴ 5 ^×

³

− 52

´=

₋ ²

− 25

´

×

³

− 16

´=

1

15

(5) ^{6 × 1}

3 ⁼

²

7 ^{× 14}3 ⁼

8

3

(7) ^{(−6) ׳− 7} 12

´=

⁷

2

³

− 813

´

×

³

− 1112

´=

²²

39

(9) ² 21 ^×

³

− 712

´=

₋

1

18

³

− 58

´=

₋

15

2

3.

(1) (−12) ÷ (−3) =

⁴

³⁵

(3) ^{256 ÷ 4 =}

⁶⁴

⁹¹

(5) (−36) ÷ 0.4 =

₋ ⁹⁰

⁸ _. ⁹⁶

(7) ⁽⁻⁷⁸.2)^{÷46 =}

₋ ¹ _. ⁷

⁹⁹

(9) ⁷⁹.38^{÷(−9) =}

₋ ⁸ _. ⁸²

₋ ¹ _. ⁰⁷

4.

(1) ⁵ 4 ^÷

³

− 12

´=

₋ ⁵

2

(2) ¹

3 ^{÷ 1}6 ⁼

²

(3) ⁷ 4 ^÷

³

− 16

´=

₋

21

2

(4) ²

3 ^{÷ 1}6 ⁼

⁴

(5) ¹

6 ^{÷ 5}3 ⁼

1

10

³

− 1315

´

÷

³

− 1720

´=

⁵²

51

(7) ^{³− 1} 12

´

÷

³

− 1718

´=

³

34

³

− 415

´

÷ 25 ⁼

⁻

2

3

(9) ^{³− 2} 9

´

÷ 1321 ⁼

⁻

14

39

7 18 ^÷

³

− 116

´=

₋

7

33

5.

(1) (−3) × 20 ÷ 4 =

₋ ¹⁵

₋ ¹⁰

(3) 49 ÷ 7 × (−7) =

₋ ⁴⁹

₋ ⁸

(5) (−18) ÷ 6 × 4 =

₋ ¹²

⁹

(7) (−5) × 14 ÷ 2 =

₋ ³⁵

³

(9) 8 × 81 ÷ (−9) =

₋ ⁷²

₋ ³⁶

6.

(1) ¹¹ 6 ^×

³

− 12

´

÷

³

− 116

´=

¹

2

³

− 56

´

× 58 ^{×(−4) =}

25

12

(3) ^{³− 5} 6

´

× 23 ^{÷ 2}9 ⁼

⁻

5

2

6 7 ^×

³

− 32

´

×

³

− 56

´=

¹⁵

14

(5) ^{³− 8} 9

´

÷

³

− 73

´

÷

³

− 56

´=

₋ ¹⁶

35

11 6 ^÷

³

− 52

´

÷ 116 ⁼

⁻

2

5

(7) ¹¹

6 ^{× 5}2 ^÷

³

− 76

´

=

₋

55

14

³

− 116

´

× 76 ^{÷ 5}6 ⁼

⁻

77

30

(9) ¹¹ 6 ^×

³

− 32

´

× 67 ⁼

⁻

33

14

³

− 76

´

×

³

− 52

´

÷

³

− 76

´

=

₋

5

2