题目内容
【题目】直接写出下面各题的得数.
2.3+3.6= 5.6÷2.8= 0.25×40= 38+19= 1﹣=
+= += += 98﹣57= 62﹣38=
2.64+1.36= 0÷5= 4﹣0.25= 0.125×80= 9﹣4.35=
0.55÷1.1= 1÷0.1= 0.45×100= 0.04÷4= 0.68+0.32=
【答案】5.9,2,10,57,,,,,41,24,4,0,3.75,10,4.65,0.5,10,45,0.01,1
【解析】
试题分析:按照分数、小数加、减、乘、除四则运算的法则计算,注意小数点的位置.
解:2.3+3.6=5.9, 5.6÷2.8=2, 0.25×40=10, 38+19=57, 1﹣=,
+=, +=, +=, 98﹣57=41, 62﹣38=24,
2.64+1.36=4, 0÷5=0, 4﹣0.25=3.75, 0.125×80=10, 9﹣4.35=4.65,
0.55÷1.1=0.5, 1÷0.1=10, 0.45×100=45, 0.04÷4=0.01, 0.68+0.32=1.
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