(0.72*0.4*3.5)/(0.9*0.2*7)简算
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(0.72*0.4*3.5)/(0.9*0.2*7)简算(0.72*0.4*3.5)/(0.9*0.2*7)简算(0.72*0.4*3.5)/(0.9*0.2*7)简算(0.72*0.4*3.5)/(
(0.72*0.4*3.5)/(0.9*0.2*7)简算
(0.72*0.4*3.5)/(0.9*0.2*7)简算
(0.72*0.4*3.5)/(0.9*0.2*7)简算
(0.72*0.4*3.5)/(0.9*0.2*7)
=(0.72÷0.9)×(0.4÷0.2)×(3.5÷7)
=0.8×2×0.5
=0.8×(2×0.5)
=0.8×1
=0.8
0.72/0.9=0.8
0.4/0.2=2
3.5/7=0.5
0.8*2*0.5=0.8
=(0.72x0.2x2x3.5)/(0.9x0.2x2x3.5)
=0.72/0.9
=72/90
=8/10
=4/5 或=0.8
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(0.72*0.4*3.5)/(0.9*0.2*7)简算
(0.72*0.4*3.5)/(0.9*0.2*7)简算
解方程 1.5=0.72/0.4+0.03x-0.06/0.3 0.36/0.2-0.09x-0.18/0.9=0.05 1.5=0.72/0.4+0.03x-0.06/0.3 0.36/0.2-0.09x-0.18/0.9=0.05
式子0.4(a+3.5)与式子0.4a+3.5比较,结果是() A.大小相等 B.0.4(a+3.5)比式子0.4a+3.5多0.4*3.5C.0.4(a+3.5)比0.4+3.5少2.1
0.9/(X+0.4)=0.45
15.6/3.5≈?(保留整数) 1.55/3.9≈?(保留三位小数)21.6/0.6/0.46.4/0.5-3.7/0.50.76/0.4-0.3812.8+0.792/0.9
3.5÷{(9.35-5?)×(5÷18)-0.9}
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