2.7*1.58+2.7*2.42+0.5怎样简便
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2.7*1.58+2.7*2.42+0.5怎样简便2.7*1.58+2.7*2.42+0.5怎样简便2.7*1.58+2.7*2.42+0.5怎样简便2.7*1.58+2.7*2.42+0.5=2.7
2.7*1.58+2.7*2.42+0.5怎样简便
2.7*1.58+2.7*2.42+0.5怎样简便
2.7*1.58+2.7*2.42+0.5怎样简便
2.7*1.58+2.7*2.42+0.5
=2.7X(1.58+2.42)+0.5
=2.7X4+0.5
=10.8+0.5
=11.3
2.7×1.58+2.7×2.42+0.5
=2.7×﹙1.58+2.42﹚+0.5
=2.7×4+0.5
=10.8+0.5
=11.3
2.7*1.58+2.7*2.42+0.5怎样简便
2.7+-2.7的绝对值--2.7的绝对值
2.7*18.3-2.7+2.7*2.7 这道题怎么巧算?
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2.7X+2.7Y=2.7X怎么解?
脱式计算.8.9×1.1×4.7 2.7×5.4×3.9 3.6×9.85-5.46脱式计算.8.9×1.1×4.7 2.7×5.4×3.9 3.6×9.85-5.46 7.6+3.4×8.05 6.58×4.5×0.9 2.8×0.5+1.58
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