1-0.3= 5.3+0.5= 4.7-2.3= 0.5×0.2=
4×0.25= 1÷0.01= 10-0.9= 3.6÷0.3=
8.7+3.41= 0.01×50= 2.5×40= 7.2÷0.8=
5.6-4.6= 3.8÷1.9= 10-5.46= 5.89+0.11=
分析:根據(jù)小數(shù)加、減、乘、除的計(jì)算方法進(jìn)行計(jì)算.
解答:
解:
1-0.3=0.7

5.3+0.5=5.8

4.7-2.3=2.4

0.5×0.2=0.1
4×0.25=1 1÷0.01=100 10-0.9=9.1 3.6÷0.3=12
8.7+3.41=12.11 0.01×50=0.5 2.5×40=100 7.2÷0.8=9
5.6-4.6=1 3.8÷1.9=2 10-5.46=4.54 5.89+0.11=6
點(diǎn)評(píng):本題主要考查了學(xué)生小數(shù)的計(jì)算能力,注意要認(rèn)真細(xì)心.
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