您好原题是12.5乘以2.4-12.5*0.36乘以126简便计算吗?
则
解12.5*2.4-12.5*0.36*126
=12.5*(2.4-0.36*126)
=12.5*(2.4—45.36)
=-510.75
原题是12.5乘以2.4-12.5+0.36乘以126简便计算吗?
则
解12.5X2.4-12.5+0.36X126
=12.5X(2.4-1+3.6)+3.6X0.1
=12.5X5+0.36
=61.5+0.36
=61.86
(12.5*2.4-12.5* 0.36)*126=12.5*(2.4-0.36)*126=12.5*2.04*126=3213
12.5X2.4-12.5+0.36X126
=12.5X(2.4-1+3.6)+3.6X0.1
=12.5X5+0.36
=61.5+0.36
=61.86