Question

求大神解答，不用简便计算

Answer 1

一，2079-40.08
=2038.92
二，（978-875）×65
=103×65
=6695
三，（35-29）×25
=6×25
=150

Answer 2

2079-40=2039
＜978-875＞×65
=103×65
=6695
3. =6×25
= 750

Answer 3

1)=2078又12/12-2又1/12
=2076又11/12

追答

错

1)=2079-20又1/12
=2058又11/12

Answer 4

用手机的计算器哦