6.34 -2.5*1.8+2.6 简算要式子._数学解答

6.34 -2.5*1.8+2.6 简算
要式子.

人气：195 ℃　时间：2020-10-01 10:18:13

解答

6.34 -2.5*1.8+2.6
=6.34 -2.5*1.8+2.5+0.1
=6.34 -2.5*(1.8-1)+0.1
=6.34 -2.5*0.8+0.1
=6.44 -2
=4.44