问题
解答题
计算下面各题,能简算的要简算
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答案
(1)0.87×4.5-4.5×0.67,
=4.5×(0.87-0.67),
=4.5×0.2,
=0.9;
(2)3.18-(0.33+1.18),
=3.18-1.18-0.33,
=2-0.33,
=1.67;
(3)1.2+1.47÷0.7,
=1.2+2.1,
=3.3;
(4)1.76-[(0.74+0.26)÷0.8],
=1.76-[1÷0.8],
=1.76-1.25,
=0.51;