0.075×350+0.65×75用简便算法0.888×1.6-0.222×2.4用简便算法
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0.075×350+0.65×75用简便算法0.888×1.6-0.222×2.4用简便算法
0.075×350+0.65×75用简便算法
0.888×1.6-0.222×2.4用简便算法
0.075×350+0.65×75用简便算法
0.888×1.6-0.222×2.4用简便算法
![0.075×350+0.65×75用简便算法0.888×1.6-0.222×2.4用简便算法](/uploads/image/z/3842146-10-6.jpg?t=0.075%C3%97350%2B0.65%C3%9775%E7%94%A8%E7%AE%80%E4%BE%BF%E7%AE%97%E6%B3%950.888%C3%971.6-0.222%C3%972.4%E7%94%A8%E7%AE%80%E4%BE%BF%E7%AE%97%E6%B3%95)
0.075×350+0.65×75
=75×0.35+0.65×75
=75×(0.35+0.65)
=75×1
=75
0.888×1.6-0.222×2.4
=0.222×(4×1.6-2.4)
=0.222×(6.4-2.4)
=0.222×4
=0.888
或者
0.888×1.6-0.222×2.4
=
0.888×1.6-0.222×2.4
=0.888×1.6-0.222×4×0.6
=0.888×(1.6-0.6)
=0.888×1
=0.888
=75×0.35+0.65×75
=75×(0.35+0.65)
=75×1
=75
0.888×1.6-0.222×2.4
=0.222×(4×1.6-2.4)
=0.222×(6.4-2.4)
=0.222×4
=0.888
或者
0.888×1.6-0.222×2.4
=
0.888×1.6-0.222×2.4
=0.888×1.6-0.222×4×0.6
=0.888×(1.6-0.6)
=0.888×1
=0.888