0.747*0.25+0.53*0.025-2.5*0.04巧算：0.747*.25+0.53*0.025-2.5*0.
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0.747*0.25+0.53*0.025-2.5*0.04巧算：0.747*.25+0.53*0.025-2.5*0.0.747*0.25+0.53*0.025-2.5*0.04巧算：0.747*.
0.747*0.25+0.53*0.025-2.5*0.04巧算：0.747*.25+0.53*0.025-2.5*0.
0.747*0.25+0.53*0.025-2.5*0.04
巧算：0.747*.25+0.53*0.025-2.5*0.
0.747*0.25+0.53*0.025-2.5*0.04巧算：0.747*.25+0.53*0.025-2.5*0.
0.747*.25+0.53*0.025-2.5*0.04
=0.747*0.25+0.053*0.25-0.25*0.4
=(0.747+0.053-0.4)*0.25
=0.4*0.25
=0.1
巧算：0.747*0.25+0.53*0.025-2.5*0.
0.747*0.25+0.53*0.025-2.5*0.04巧算：0.747*.25+0.53*0.025-2.5*0.
6.24x8x(0.47+0.25+0.53)简便计算
0.02×0.25×5×40简便计算
解方程组x+y=300,0.05x+0.53y=0.25x*300请速解
0.75×25÷0.25 0.51÷7.1-0.02 简算
2x/0.03+0.25-0,1x/0.02=0.1
2x/0.03+0.25-0.1x/0.02=10
1.45*1.02-1.45*0.02和444*0.25简便算式
0.01乘0.02乘0.03乘0.04.乘0.25的积化后有几位小数?
0.2.0.8.0.25.0.02.0.08.0.125.0.375.0.625.0.875化为分数是多少?急.
0.01乘0.02乘0.03乘0.04.乘0.25的积化后有几位小数
解方程：0.03分支2X + 0.02分支0.25-0.1X =0.1
0.03分之2x+0.02分之0.25-0.1x=0.1
2x÷0.03+0.25-0.1x÷0.02=0.1
2x/0.03+0.25-0.1x/0.02=12.5的解,
0.25分之2x+1-0.03分之0.02(x-2)=1
28乘0.6表示?0.7乘1.5表示?0.25除以0.02表示?