
43.7×0.29约等于多少保留两位小数?
2个回答
展开全部
43.7×0.2943.7×(0.2+0.1-0.01)
=43.7×0.2+43.7×0.1-43.7×0.01
=8.74+4.37-0.437
=8.74+3.933
=12.673
保留两位小数等于12.67
=43.7×0.2+43.7×0.1-43.7×0.01
=8.74+4.37-0.437
=8.74+3.933
=12.673
保留两位小数等于12.67
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