题目内容

直接写出下面各题的结果.
7.2×0.1=
12-4.3= 0.45+0.55=
36÷0.01= 0.8×0.125= x-0.42x=
2.3a+0.8a= 0.56÷0.7= 0.36÷0.4÷9=
3.6×2÷3.6×2=
7.2×0.1=0.72; 12-4.3=7.7; 0.45+0.55=1;
36÷0.01=3600; 0.8×0.125=0.1; x-0.42x=0.58x;
2.3a+0.8a=3.1a; 0.56÷0.7=0.8; 0.36÷0.4÷9=0.1;
3.6×2÷3.6×2=4.
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