混合运算计算题.doc

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1、1.3/7×49/9-4/32.8/9×15/36+1/273.12×5/6–2/9×34.8×5/4+1/45.6÷3/8–3/8÷66.4/7×5/9+3/7×5/97.5/2-（3/2+4/5）8.7/8+（1/8+1/9）9.9×5/6+5/610.3/4×8/9-1/311.7×5/49+3/1412.6×（1/2+2/3）13.8×4/5+8×11/514.31×5/6–5/615.9/7-（2/7–10/21）165/9×18–14×2/717.4/5×25/16+2/3×3/418.14×8/7–5/6×

2、12/1519.17/32–3/4×9/2420.3×2/9+1/321.5/7×3/25+3/722.3/14××2/3+1/623.1/5×2/3+5/624.9/22+1/11÷1/225.5/3×11/5+4/326.45×2/3+1/3×1527.7/19+12/19×5/628.1/4+3/4÷2/329.8/7×21/16+1/230.101×1/5–1/5×2131.50＋160÷40（58+370）÷（64-45）32.120-144÷18+3533.347+45×2-4160÷5234（58+37）÷

3、（64-9×5）35.95÷（64-45）36.178-145÷5×6+42420+580-64×21÷2837.812-700÷（9+31×11）（136+64）×（65-345÷23）38.85+14×（14+208÷26）39.（284+16）×（512-8208÷18）40.120-36×4÷18+3541.（58+37）÷（64-9×5）42.(6.8-6.8×0.55)÷8.543.0.12×4.8÷0.12×4.844.（3.2×1.5+2.5）÷1.6（2）3.2×（1.5+2.5）÷1.645.6-1.

4、6÷4=5.38+7.85-5.37=46.7.2÷0.8-1.2×5=6-1.19×3-0.43=47.6.5×（4.8-1.2×4）=0.68×1.9+0.32×1.948.10.15-10.75×0.4-5.749.5.8×（3.87-0.13）+4.2×3.7450.32.52-（6+9.728÷3.2）×2.551.[（7.1-5.6）×0.9-1.15]÷2.552.5.4÷[2.6×（3.7-2.9）+0.62]53.12×6÷（12-7.2）-6（4）12×6÷7.2-6