Question

7.2×8/3 9.8÷3/8-37.5%简便算法

Answer 1

7.2×3/8+9.8÷8/3-37.5%简便算法
=7.2x3/8+9.8x3/8-3/8
=（7.2+9.8-1）x3/8
=16x3/8
=6

Answer 2

解: 7.2×8/3+ 9.8÷3/8-37.5%
= 7.2×8/3+ 9.8× 8/3-3/8
=(7.2+9.8)×8/3-3/8
=17×8/3-3/8
=136/3-3/8
=45+1/3-3/8
=45+8/24-9/24
=45-1/24
=44又23/24