简便计算． 1.5×102= 0.25×32×1.25= 0.36×0.99+0.36×0.01= 2.5×7.2=
问题描述：
| 简便计算． 1.5×102= |
0.25×32×1.25= |
| 0.36×0.99+0.36×0.01= | 2.5×7.2= |
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．...