11*22 +0.22*3300+330*4.4的解法

问题描述:

11*22 +0.22*3300+330*4.4的解法

11×22+0.22×3300+330×4.4
原式=11×22+22×11×3-11×22×6
=242×(2+3+6)
=242×10=2420

11*22 +0.22*3300+330*4.4
=11*22+22*33+66*22
=(11+33+66)*22
=110*22
=2420