初一数学四则混合运算100题精选.doc
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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÷0.43-0.24×3.520×[(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+1111×30.8×〔15.5-(3.21+5.79)〕
(31.8+3.2×4)÷531.5×4÷(6+3)
0.64×25×7.8+2.22÷2.5+2.5÷2
194-64.8÷1.8×0.936.72÷4.25×9.9
5180-705×624÷2.4-2.5×0.8
(4121+2389)÷7671×15-974
469×12+1492405×(3213-3189)
3.416÷(0.016×35)0.8×[(10-6.76)÷1.2]
19.4×6.1×2.35.67×0.2-0.62
18.1×0.92+3.930.0430.24+0.875
0.4×0.7×0.250.75×102100-56.23
0.78+5.436+14.07×0.86+9.12.5
30.8÷[14-(9.85+1.07)][60-(9.5+28.9)]÷0.18
2.881÷0.43-0.24×3.520×[(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+1111×30.8×〔15.5-(3.21+5.79)〕
(31.8+3.2×4)÷531.5×4÷(6+3)
0.64×25×7.8+2.22÷2.5+2.5÷2
194-64.8÷1.8×0.936.72÷4.25×9.9
5180-705×624÷2.4-2.5×0.8
(4121+2389)÷7671×15-974
469×12+1492405×(3213-3189)
3.416÷(0.016×35)0.8×[(10-6.76)÷1.2]
19.4×6.1×2.35.67×0.2-0.6218.1×0.92+3.930.0430.24+0.875
0.4×0.7×0.250.75×102100-56.230.78+5.436+14.07×0.86+9.12.5
120-36×4÷18+3558+37)÷(64-9×5)
45.(6.8-6.8×0.55)÷8.50.12×4.8÷0.12×4.8
(3.2×1.5+2.5)÷1.66-1.6÷4=5.38+7.85-5.37
7.2÷0.8-1.2×5=6-1.19×3-0.4350.6.5×(4.8-1.2×4)
5.8×(3.87-0.13)+4.2×3.7432.52-(6+9.728÷3.2)×2.5
[(7.1-5.6)×0.9-1.15]÷2.55.4÷[2.6×(3.7-2.9)+0.62]
12×6÷(12-7.2)-612×6÷7.2-6
0.68×1.9+0.32×1.958+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÷0.12×4.845×2/3+1/3×15
7/19+12/19×5/61/4+3/4÷2/3
8/7×21/16+1/2101×1/5–1/5×21
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+42420+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+351.125×3+125×5+25×3+25
9999×3+101×11×(101-92)(23/4-3/4)×(3×6+2)
3/7×49/9-4/38/9×15/36+1/27?