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口算.
8.35-1.25=
12.62+3.42= 9.16-3.26=
6.2+1.8= 18-1.47= 80×0.125=
3.7×2= 0.25×16= 33+7.69=
0.48÷0.01= 1.25×8= 3.6÷0.6=
9.1÷0.07= 0.72÷12= 0.9×0.1=
2.01+3.9= 0÷0.1×29= 0.7×0.04=
分析:根据小数四则运算的计算方法,计算得解.
解答:
解:8.35-1.25=7.1, 12.62+3.42=16.04, 9.16-3.26=5.9,
6.2+1.8=8, 18-1.47=16.53, 80×0.125=10,
3.7×2=7.4, 0.25×16=4, 33+7.69=40.69,
0.48÷0.01= 1.25×8=10, 3.6÷0.6=6,
9.1÷0.07=130, 0.72÷12=0.06, 0.9×0.1=0.09,
2.01+3.9=5.91, 0÷0.1×29=0, 0.7×0.04=0.028.
点评:此题考查小数四则运算的计算方法的灵活运用,要注意得数的小数点的位置.
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