简便方法0.36*7.4+0.72*1.3_数学解答

简便方法0.36*7.4+0.72*1.3

人气：322 ℃　时间：2020-04-15 08:43:05

解答

0.36*7.4+0.72*1.3
=0.36*7.4+0.36*2*1.3
=0.36*7.4+0.36*2.6
=0.36*(7.4+2.6)
=0.36*10
=3.6