学库错题.2加6的和乘5除2等于30.
问题描述:
学库错题.2加6的和乘5除2等于30.
答
(2+6)*5÷2
=8*5÷2
=40÷2=20
学库错题.2加6的和乘5除2等于30.
(2+6)*5÷2
=8*5÷2
=40÷2=20