
5.4×3.7+3.7×3.96+3.7用简算怎样简算?
3个回答
展开全部
5.4×3.7+3.7×3.96+3.7
=3.7×(5.4+3.97+1)
=3.7×(5.5+3.97)
=(4-0.3)×(5.5+4-0.03)
=(4-0.3)×(10-0.5-0.03)
=40-2-0.12-3+0.15+0.009
=35+0.039
=35.039
希望能帮助到你
=3.7×(5.4+3.97+1)
=3.7×(5.5+3.97)
=(4-0.3)×(5.5+4-0.03)
=(4-0.3)×(10-0.5-0.03)
=40-2-0.12-3+0.15+0.009
=35+0.039
=35.039
希望能帮助到你
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