题目内容
= | = | 12+2.28= | = | = |
= | += | 100-46= | 0.12= | = |
13÷65= = | 1.2÷0.6= | 5÷10= | 4×25= | 1.6+8= |
+= | 21÷9= | = | 0.25+0.16= | 1÷= |
解:=5; | =12; | 12+2.28=14.28; | =; | =; |
=; | +=1; | 100-46=54; | 0.12=0.01; | =0; |
13÷65=0.2; =; | 1.2÷0.6=2; | 5÷10=0.5; | 4×25=100; | 1.6+8=9.6; |
+=; | 21÷9=2; | =; | 0.25+0.16=0.41; | 1÷=1. |
分析:根据分数、小数四则运算的计算法则,直接进行计算.
点评:此题主要考查分数、小数四则运算的计算,根据它们的计算法则直接进行计算即可.
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