(-3.85)x(-13)+(-13)x(-6.15)+0.79x7/15+8/15x0.79简便运算
(-3.85)x(-13)+(-13)x(-6.15)+0.79x7/15+8/15x0.79简便运算
-13x3/2+3/1x(-13)-0.34x7/2-7/5x0.34用简便方法计算
3.52x0.79-0.173x7.9+1.79x0.21简便运算
简便计算:1.25x0.25x3.2 200.2x7.8-7.8x0.2
请问1.5X[(0.6+1.25)X0.8]简便算法
125x(35+8)简便运算
56x0.18+18%x44简便运算 x-60%x=18 5分之3x+2.5x8=95 40%x+30=80 35%x-
0.42X9.9+0.042 12.5X(100+0.8) 12X0.75/2.5 简便运算怎么算?
(13-2x)/(11-2x)+(17-2x)/(15-2x)=(19-2x)/(17-2x0+(11-2x)/(9-2
(-7)x(-56)x0÷(-13)
用简便方法计算下面各题:①:6/11x(5/8+7/12)②:14/15X7/8x15③:(3/4+5/8)x32 ④:
分数简便运算(小学)12/5x(4/15+2/5)-3/5简便