69.6÷2.4+17.92 15.8×10.1+0.62 6.8 -20.16÷7.2 脱式计算,能简便的简便_数学解答

69.6÷2.4+17.92 15.8×10.1+0.62 6.8 -20.16÷7.2 脱式计算,能简便的简便

人气：463 ℃　时间：2020-02-02 13:23:38

解答

69.6÷2.4+17.92
=29+17.92
=46.92
15.8×10.1+0.62
=15.8x(10+0.1)+0.62
=158+1.58+0.62
=158+2.2
=160.2
6.8-20.16÷7.2
=6.8-2.8
=4