二计算 153.72除以63乘8.5 = = = 8.25-4.2乘1.25除以0.7_数学解答

二计算 153.72除以63乘8.5 = = = 8.25-4.2乘1.25除以0.7

人气：474 ℃　时间：2019-11-19 06:07:12

解答

你好,25257758zh
153.72÷63×8.5
=2.44×8.5
=20.74
8.25-4.2×1.25÷0.7
=8.25-6×1.25
=8.25-7.5
=0.75