8100(1-x)²=7600怎么算

Question

如题所述

Answer 1

101x45-45=45x(100-1)=4500 101x93-93x1=93x(101-1)=9300 125x88=125x(80+8)=125x80+125x8=10000+1000=11000 3x25x2=3x(25x2)=50x3=150 169x53-69x53=(169-69)x53=5300 45x98=45x(100-2)=4500-90=4410 99x(100+2)=9900+99x2=9900+(100-1)x2=9900...本回答被提问者和网友采纳

Answer 2

(1）25X166X4 =25x4x166 =100x166 =16600 （2）99X56+56 =56x(99+1) =56x100 =5600 （3）（80-8）X125 =80x125-8x125 =10000-1000 =9000 (4 )270*6*5 =270x30 =8100