原式=22x98十22x2 =22x(98十2) =22x100 =2200
22×（100-2）+44=22×100=2200
=22×98+22×2=22×(98+2)=22×100=2200
简便计算是直接提取公约数22得原式=22x(98+2) =22x100 =2200加油哦！
=22*98+22*2=22（98+2）=2200
