小学简便运算,2.9+6.7+2.9+2.9*2.3确实是抄错了,是:2.9+6.7*2.9+2.9*2.3

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/04 12:51:50
小学简便运算,2.9+6.7+2.9+2.9*2.3确实是抄错了,是:2.9+6.7*2.9+2.9*2.3

小学简便运算,2.9+6.7+2.9+2.9*2.3确实是抄错了,是:2.9+6.7*2.9+2.9*2.3
小学简便运算,
2.9+6.7+2.9+2.9*2.3
确实是抄错了,是:2.9+6.7*2.9+2.9*2.3

小学简便运算,2.9+6.7+2.9+2.9*2.3确实是抄错了,是:2.9+6.7*2.9+2.9*2.3
here!
2.9+6.7*2.9+2.9*2.3
=2.9*1+6.7*2.9+2.9*2.3
=2.9*(1+6.7+2.3)
=2.9*10
=29