作业帮11x22+0.22x3300+330x4.4=
来源：学生作业帮助网 编辑：作业帮 时间：2024/04/28 18:25:53
11x22+0.22x3300+330x4.4=
11x22+0.22x3300+330x4.4=
11x22+0.22x3300+330x4.4=
11x22+0.22x3300+330x4.4
=11*22+22*33+66*22
=11*22(1+3+6)
=242*10
=2420
11x22+0.22x3300+330x4.4
=11x22+22x33+33x2x22
=(11+33+66)x22
=2420
原式=11*11*2+11*11*2*3+11*11*3*4=11*11*（1*2+2*3+3*4）=121*20=2420
11x22+0.22x3300+330x4.4
=11x22+22x33+33x44
=22x(11+33)+33x44
=22x44+33x44
=(22+33)x44
=55x44
=2420
2420