初一数学四则混合运算100题精选

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初一数学四则混合运算100题

30.8÷[14-(9.85+1.07)] [60-(9.5+28.9)]÷0.18

2.881÷0.43-0.24×

3.5 20×[(2.44-1.8)÷0.4+0.15] 28-(3.4+1.25×2.4) 2.55×7.1+2.45×7.1

777×9+1111×3 0.8×〔15.5-(3.21+5.79)〕(31.8+3.2×4)÷5 31.5×4÷(6+3)

0.64×25×7.8+2.2 2÷2.5+2.5÷2

194-64.8÷1.8×0.9 36.72÷4.25×9.9 5180-705×6 24÷2.4-2.5×0.8

(4121+2389)÷7 671×15-974

469×12+1492 405×(3213-3189)

3.416÷(0.016×35)0.8×[(10-6.76)÷1.2] 19.4×6.1×2.3 5.67×0.2-0.62

18.1×0.92+3.93 0.0430.24+0.875

0.4×0.7×0.25 0.75×102 100-56.23

0.78+5.436+1 4.07×0.86+9.12.5

30.8÷[14-(9.85+1.07)] [60-(9.5+28.9)]÷0.18

2.881÷0.43-0.24×

3.5 20×[(2.44-1.8)÷0.4+0.15] 28-(3.4+1.25×2.4) 2.55×7.1+2.45×7.1

777×9+1111×3 0.8×〔15.5-(3.21+5.79)〕(31.8+3.2×4)÷5 31.5×4÷(6+3)

0.64×25×7.8+2.2 2÷2.5+2.5÷2

194-64.8÷1.8×0.9 36.72÷4.25×9.9

5180-705×6 24÷2.4-2.5×0.8

(4121+2389)÷7 671×15-974

469×12+1492 405×(3213-3189)

3.416÷(0.016×35)0.8×[(10-6.76)÷1.2] 19.4×6.1×2.3 5.67×0.2-0.62 18.1×0.92+3.93

0.0430.24+0.875

0.4×0.7×0.25 0.75×102 100-56.23 0.78+5.436+1 4.07×0.86+9.12.5 120-36×4÷18+35 58+37)÷(64-9×5)45.(6.8-6.8×0.55)÷8.5 0.12× 4.8÷0.12×4.8 (3.2×1.5+2.5)÷1.6 6-1.6÷4= 5.38+7.85-5.37 7.2÷0.8-1.2×5= 6-1.19×3-0.43 50.6.5×(4.8-1.2×4)

5.8×(3.87-0.13)+4.2×3.74 32.52-(6+9.728÷3.2)×2.5 [(7.1-5.6)×0.9-1.15] ÷2.5 5.4÷[2.6×(3.7-2.9)+0.62] 12×6÷(12-7.2)-6 12×6÷7.2-6

0.68×1.9+0.32×1.9 58+370)÷(64-45)59.420+580-64×21÷28

136+6×(65-345÷23)15-10.75×0.4-5.7 18.1+(3-0.299÷0.23)×1 (6.8-6.8×0.55)÷8.5

0.12× 4.8÷0.12×4.8 45 × 2/3 + 1/3 × 15

7/19 + 12/19 × 5/6 1/4 + 3/4 ÷ 2/3

8/7 × 21/16 + 1/2 101 × 1/5 – 1/5 × 21

50+160÷40 (58+370)÷(64-45)120-144÷18+35

347+45×2-4160÷52 (58+37)÷(64-9×5)95÷(64-45)178-145÷5×6+42 420+580-64×21÷28

812-700÷(9+31×11)(136+64)×(65-345÷23)

85+14×(14+208÷26)(284+16)×(512-8208÷18)120-36×4÷18+35 1.125×3+125×5+25×3+25 9999×3+101×11×(101-92) (23/4-3/4)×(3×6+2)

3/7 × 49/9 - 4/3 8/9 × 15/36 + 1/27?

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