小数加减乘法混合运算练习题.docx

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1、一、小数加减法⑴72.5-（5.2+18.6）⑵2.25+13.2+2.75⑶29-2.15-13.85⑷17.85+2.9-4.85⑸15.5+3.76+14.5二、小数乘法⑴0.48×1.25⑵18×3.06⑶3.45×21⑷36×5.5⑸0.28×0.25三、小数加减乘混合运算⑴0.25×5.8×0.4⑵0.79×98＋0.79×2 ⑶58.36×0.5＋18.2⑷4×0.125×2 ⑸1.01×8.5-1.01×3.5一、小数加减法⑴59.46 + 18.28 ⑵46.31 - 21.76⑶5.67-（2.34+1.67）⑷5.85-1.75-0.25⑸5.67-（2

2、.34+1.67）二、小数乘法⑴0.4×0.076　         ⑵1.5×0.062　　              ⑶6.5×0.34⑷150×0.12                    ⑸0.87×1.5三、小数加减乘混合运算⑴1.6+2.4×0.3⑵3.4+1.25×2.4⑶31.8+3.2×4⑷8.59—4.1×0.1—4.59⑸2.6+1.4×1.5一、小数加减法⑴9.56 + 12.78 ⑵12.37 - 5.694⑶20.67-11.34⑷15.85+0.285⑸23.15–17.46二、小数乘法⑴0.57×0.032　         ⑵6.8×0.2

3、9　　              ⑶12.6×0.63⑷3.07×0.59                    ⑸0.27×1.05三、小数加减乘混合运算⑴5.67×0.2-0.62⑵33.34+4.5×2⑶0.8×2.5+6.2×4⑷3.45+1.79×0.5⑸112.6-11.4×5一、小数加减法⑴12.56 + 0.297 ⑵3.285+1.79⑶13.25-6.88⑷6.85+3.765⑸27.8-13.45二、小数乘法⑴2.43×0.028　         ⑵13.4×0.74　　              ⑶1.35×10.3⑷16.8×0.68       

4、             ⑸0.159×3.57三、小数加减乘混合运算⑴10.1×38.67－3.867⑵（12.5－1.25）×8⑶1.2×2.5+8.2×6⑷3.7×1.63－0.37×15.3⑸8.63×25－0.063×250一、小数加减法（竖式计算）⑴27.38+4.83=⑵26.75+2.83=⑶3.64-2.58=⑷6.52-3.44=⑸15.31+13.51=二、小数乘法⑴5.6×2.09=⑵3.77×1.8=⑶0.62×9.56=⑷5.22×0.83=⑸1.666×6.1=            三、小数加减乘混合运算⑴6.8-6.8×0.5⑵0.25×3.

5、2×12.5⑶2.6+2.4×（1.4－1.15）⑷7.7×9+7.9×3⑸0.8×[15.5-(3.21+5.79)]一、小数加减法（竖式计算）⑴15.85+64.69=⑵19.01-7.99=⑶7.51+0.479=⑷5.48-3.25=⑸8.03-4.56=二、小数乘法⑴5.61×2.31=⑵8.9×2.4=⑶9.77×0.02=⑷   1.384×5.1=⑸8.78×6.83=三、小数加减乘混合运算⑴31.8+3.2×4⑵51.8－7.05×6⑶0.4×2.7×0.25+0.23⑷0.8×1.5-1.2×0.5⑸3.4+1.25×2.4)一、小数加减法（竖式计算）⑴3

6、.27-2.49= ⑵10.63+58.79=⑶11.65-7.39=⑷4.98+18.69=⑸9.03-8.577=二、小数乘法⑴9.99×7.06=⑵4.79×2.8=⑶5.47×2.62=⑷   4.84×2.9=⑸8.56×6.5=三、小数加减乘混合运算⑴2.55×7.1+2.45×7.1⑵14.37×2.6＋2.6×5.63⑶1.25×3.2＋7.8⑷3.2×1.5+2.5⑸[37.85-（7.85+6.4）]×30一、小数加减法（竖式计算）⑴8.25+1.55=⑵9.43-8.05=⑶1.875+2.908=⑷4.28-3.397=⑸6.13+2.86=二、小数乘

7、法⑴56.78×3.8=⑵5.6×2.79=⑶3.77×1.8=⑷0.902×9.6=⑸5.22×0.73=三、小数加减乘混合运算⑴ 0.4×0.9×0.25⑵31.8-3.2×0.4⑶2.6+2.4×（1.4－0.9）⑷18.75-0.25×2-4.54⑸8.59-4.9×0.1-2.1一、小数加减法（竖式计算）⑴26.8+3.02=⑵6.07-4.993=⑶3.7+2.36=⑷15.4+2.97=⑸10.2-8.75=二、小数乘法⑴5.55×5.2=⑵36.02×0.35=⑶2.92×3.53=⑷9