简便计算．1.5×102=0.25×32×1.25=0.36×0.99+0.36×0.01=2.5×7.2=_数学解答

简便计算． 1.5×102=	0.25×32×1.25=
0.36×0.99+0.36×0.01=	2.5×7.2=

人气：141 ℃　时间：2020-01-26 04:30:05

解答

①1.5×102=1.5×100+1.5×2=150+3=153；②0.25×32×1.25=（0.25×4）×（8×1.25）=1×10=10；③0.36×0.99+0.36×0.01=0.36×（0.99+0.01）=0.36×1=0.36；④2.5×7.2=（2.5×4）×1.8=10×1.8=18．...