简便计算22×98+44=

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/08 13:17:13

简便计算22×98+44=

22×98+44=
=22x98+22x2
=22x(98+2)
=22x100
=2200

=22×98+22×2
=22×(98+2)
=22×100
-2200

2200

22×98+44
=22×98+22×2
=22×(98+2)
=22×100
=2200

2200撒,这个难道你不晓得嘛

22*98+44=22*98+22*2=22*(98+2)=22*100=2200