怎么做这两道题 简便计算?
9个回答
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(启改悉歼型1)原式=6.6×5.4+6.6×4.6
=6.6×(5.4+4.6)
=6.6×10
=66
(2)原式悄乎=37.3×179.5-37.3×86.5-37.3×90+37.3×7
=37.3×(179.5-86.5-90+7)
=37.3×10
=373
=6.6×(5.4+4.6)
=6.6×10
=66
(2)原式悄乎=37.3×179.5-37.3×86.5-37.3×90+37.3×7
=37.3×(179.5-86.5-90+7)
=37.3×10
=373
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2020-09-17
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6.6*5.4+3.3*9.2
=3.3*2*5.4+3.3*9.2
=3.3*(2*5.4+9.2)
=3.3*(10.8+9.2)嫌耐
=3.3*20
=66
=37.3*10*17.95-8.65*100*3.73-0.373*1000*9+0.7*373
=373*(晌埋17.95-8.65-9+0.7)
=373*(9.3-9+0.7)宴者蚂
=373*1
=373
=3.3*2*5.4+3.3*9.2
=3.3*(2*5.4+9.2)
=3.3*(10.8+9.2)嫌耐
=3.3*20
=66
=37.3*10*17.95-8.65*100*3.73-0.373*1000*9+0.7*373
=373*(晌埋17.95-8.65-9+0.7)
=373*(9.3-9+0.7)宴者蚂
=373*1
=373
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展开全部
6.6×5.4+3.3×9.2
=3.3×2×5.4+3.3×9.2
=3.3×(10.8+9.2)
=3.3×10×2
=33×2
=66
37.3×179.5-865×3.73-0.373× 9000+0.7×373
=373×17.95-8.65×373-373×9+0.7×373
=373×(17.95-8.65-9+0.7
)
=373×1
=373
=3.3×2×5.4+3.3×9.2
=3.3×(10.8+9.2)
=3.3×10×2
=33×2
=66
37.3×179.5-865×3.73-0.373× 9000+0.7×373
=373×17.95-8.65×373-373×9+0.7×373
=373×(17.95-8.65-9+0.7
)
=373×1
=373
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