4.2×0.34÷(1.4×0.34)
4.2×0.34÷(1.4×0.34)可以简便计算吗
简算4.2-25*0.7÷5 4.7*2.34-0.34*4.7 28.7*[0.54÷(8.7+45.3)]
2.86÷0.34+5.4÷0.34怎么简算
2.21÷0.34列竖式计算
(1+0.23+0.34)×(0.23+0.34+0.56)-(1+0.23+0.34+0.56)×(0.23+0.34
(1+0.23+0.34)×(0.23+0.34+0.65)-(1+0.23+0.34+0.65)×(0.23+0.34
(1+0.23+0.34)*(0.23+034+0.56)-(1+0.23+0.34+0.56)*(0.23+0.34)
计算:(1+0.23+0.34)*(0.2903+0.34+0.56)-(1+0.23+0.34+0.56)*(0.23
0.34×2.5÷3.4的简便运算
0.34*99+0.34简便算法
(1+0.12+0.23)×(0.12+0.23+0.34)-(1+0.12+0.23+0.34)×(0.12+0.23
(-13)×三分之二-0.34×七分之二+(-13)×三分之一-七分之五×0.34=?