2.5*12.5*(2.4+0.8)
198×0.51 1.25×2.5 0.8×72.4×12.5
4×0.8×2.5×12.5 简便计算
4.2-0.8x=2.5x-2.4
递等式计算,嫩简便就简便:12.5*(40+0.8)*2.5
简算 (8-0.8)+12.5
简便运算 34.8*88.8/4.44 12.5*(6+2.4)+2.5*0.4
12.5×(4×0.8)×2.5 用简便方法计算怎么做?
12.5×2.5×0.8×4简便算法怎么算
2.5乘以12.5乘以0.8乘以0.4的简便计算
12.5×16+1.25×16+2.5×8+25×0.8 简便运算!
0.42X9.9+0.042 12.5X(100+0.8) 12X0.75/2.5 简便运算怎么算?
0.8×(12.5-12.5)的简便计算算式