10.26+5.74×0.5+0.13 12.6*5+0.5 要计算,类似简便的10.26+5.74×0.5+0.1312.6*5+0.5
问题描述:
10.26+5.74×0.5+0.13 12.6*5+0.5 要计算,类似简便的
10.26+5.74×0.5+0.13
12.6*5+0.5
答
10.26+5.74×0.5+0.13
=10.26+2.87+0.13
=10.26+3
=13.26
12.6*5+0.5
=6.3+0.5
=6.8
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