1340*3.4+1.34*2300+134*54+0.66*2900=

问题描述:

1340*3.4+1.34*2300+134*54+0.66*2900=
一定要用简便计算哦

1340*3.4+1.34*2300+134*54+0.66*2900
= 134*34+134*23+134*54+0.66*2900
=134(34+23+54)+66*29
=134*111+1914
=14874+1914
=16788