简便计算22×98+44=
来源:学生作业学帮网 编辑:学帮网 时间:2024/06/06 03:18:02
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