用简便方法计算1.32.5*0.6/3.25*0.6 2.(4.6+3.9-4.6+3.9）/0.13_数学解答

用简便方法计算1.32.5*0.6/3.25*0.6 2.(4.6+3.9-4.6+3.9）/0.13

人气：306 ℃　时间：2020-02-03 14:42:00

解答

1、(32.5*0.6) / (3.25*0.6) = 32.5 / 3.25 = 10
2、(4.6+3.9-4.6+3.9) /0.13 = (3.9+3.9) / 0.13 = 2*3.9 / 0.13 = 60