18.56-0.23-0.

18.56-0.23-0. 计算.要简便 (1+0.12+0.23)*(0.12+0.23+0.34)-(1+0.12+0.23+0.34)*(0. 求解(1+0.12+0.23)*(0.12+0.23+0.34)-(1+0.12+0.23+0.34)*(0.12+0. 4.6分之X减1=0.23分之0. 1.（1十0.23十0.34）*（0.23十0.34十0.56）一（1十0.23十0.34十0.56）*（0.23十0. 1.6加23.4除以7.2.07除以0.23在除以0. 实验室 水泥1 砂3.55石4.52粉煤灰0.23泵送剂0.02 水0.65 水灰比0. 简便算法 56.74-18.56-3.26 18.75减0.23乘以2减4.54和（4.2加4.2除以2.1）除以0.2和0.5乘以【（0.09加1.29）除以0. 11-0.23-0.23-4.54怎样简便运算? 11-0.23-0.23-4.54的简便算法 0.