1=52=43=3.5=?

1=52=43=3.5=? 78+56-54+43+52=? 输入您的问(52+43)乘以76=?题(52+43)乘以76=? （52-x)+(125-x)=43x=多少 简单的百分数计算:::::::::41/53 =12/53 =15/72 =20/72 =10/72 =27/72 =44/56 =6/56 =37/52 =14/52 =1/52 =42/58 =11/58 =5/58 =10/57 =4/57 =43/57 =13/52 =21/52 =18/52 =40/52 =8/52 =4/52 =8/58 =6/58 =44/58 =4/50 =28/50 =18/50 = 56+52*52= 1=52=153=2154=21355=? 5.5x+32=52+3.5x解方程 3.5+2分之1= ○+□=125,○+△=52,□+△+43不带负数的 解一道方程题：52×3.5+3.5x=375-60 168*52*-67*52-52=(*代表×) 452乘以43= 43+56+89=? 24÷43=? 56+52=?56+52=、 3*5%+2%(x-1)=43% 13+23=9=×4×9=×22×32 13+23+33=36=9×16=×32×42 13+23+33+43=100=×42×52 13+23+33+43+……+n3=