题目内容
【题目】计算,怎样计算简便就怎样计算:
7.08-(2.54+2.38) 5.74×0.25×4 6.37×0.75+0.25×6.37 12.6×5+0.5
【答案】2.16;5.74;6.37;63.5
【解析】
7.08-(2.54+2.38)
=7.08-4.92
=2.16
5.74×0.25×4
=5.74×(0.25×4)
=5.74×1
=5.74
6.37×0.75+0.25×6.37
=(0.75+0.25)×6.37
=1×6.37
=6.37
12.6×5+0.5
=63+0.5
=63.5
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