11×22+0.22×3300+330×4.4
1个回答
设a=11
a*2a+2a/100x3a*100+3a*10*4a/10
=2a^2+6a^2+12a^a
=20a^2
=20(121)
=2420
相关问题
简便运算,①7.63×5.4+2.37×5.4-12.5×5.35×0.8 ②11×22+0.22×3300+330×4
几道数学简算题11×22+0.22×3300+330×4.4 455×7.6+111×15.2+32.3×765.6×6
11*22 +0.22*3300+330*4.4的解法
11x22+0.22x3300+330x4.4=
11*22 0.22*3300 330*4.4怎样简便记算
计算1×4+4×7+7×10+...+19×22+22×25
11×22+22×33+33×44+…+77×88+88×99=______.
11x22+0.22x3300+33x4.4
14*22+0.22*3300+330*4.4+0.044*55000 求简便计算.要利用到小数
5.5×4.4-44×0.33-0.44×22怎么简算