3.6×1.2÷3.6×1.2怎么简算? 7.36-5.4+1.74-1.6怎么简算? (1.72+1.72+1.72+
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3.6×1.2÷3.6×1.2怎么简算? 7.36-5.4+1.74-1.6怎么简算? (1.72+1.72+1.72+1.72)÷3.2×2.5简便
急,快点啊
还有8×0.37+1.63÷0.125
急,快点啊
还有8×0.37+1.63÷0.125
![3.6×1.2÷3.6×1.2怎么简算? 7.36-5.4+1.74-1.6怎么简算? (1.72+1.72+1.72+](/uploads/image/z/15430079-47-9.jpg?t=3.6%C3%971.2%C3%B73.6%C3%971.2%E6%80%8E%E4%B9%88%E7%AE%80%E7%AE%97%3F+7.36-5.4%2B1.74-1.6%E6%80%8E%E4%B9%88%E7%AE%80%E7%AE%97%3F+%EF%BC%881.72%2B1.72%2B1.72%2B)
8x0.37+1.63x8
=8x(0.37+1.63)
=8x2=16
(0.125就是1/8,除以一个数就是乘他的倒数,所有变成1.63X8
再问: 还有俩呢.6×1.2÷3.6×1.2怎么简算?? 7.36-5.4+1.74-1.6怎么简算?? (1.72+1.72+1.72+1.72)÷3.2×2.5简便
再答: 3.6×1.2÷3.6×1.2 =3.6*3.6X1.2X1.2 =1.2X1.2 =1.44 (1.72+1.72+1.72+1.72)÷3.2×2.5=1.72X(4X2.5)*3.2=17.2*3.2=5.375
=8x(0.37+1.63)
=8x2=16
(0.125就是1/8,除以一个数就是乘他的倒数,所有变成1.63X8
再问: 还有俩呢.6×1.2÷3.6×1.2怎么简算?? 7.36-5.4+1.74-1.6怎么简算?? (1.72+1.72+1.72+1.72)÷3.2×2.5简便
再答: 3.6×1.2÷3.6×1.2 =3.6*3.6X1.2X1.2 =1.2X1.2 =1.44 (1.72+1.72+1.72+1.72)÷3.2×2.5=1.72X(4X2.5)*3.2=17.2*3.2=5.375