6.95×0.8+3.7×2.14用简便计算怎么写
2个回答
展开全部
6.95*0.8+3.7*2.14
=(7-0.05)*0.8+(3+0.7)*2.14
=5.6-0.04+6.42+1.498
=5.56+6.42+1.498
=13.478
=(7-0.05)*0.8+(3+0.7)*2.14
=5.6-0.04+6.42+1.498
=5.56+6.42+1.498
=13.478
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