Question

一道数学题目，回答得好加分

【0.3+（2又2/3-1.25）除以2又5/6】*1又3/4
简便计算

Answer 1

[0.3+(8/3-5/4)÷17/6]×7/4
=[0.3+17/12÷17/6]×7/4
=(3/10+1/2)*7/4
=7/5

Answer 2

2.8

Answer 3

【0.3+（2又2/3-1.25）除以2又5/6】*1又3/简便计算

Answer 4

2849/1360

Answer 5

1.4