Question

(5.2-2.55)x4-0.5用脱式怎么算

(5.2-2.55)x4-0.5用脱式怎么算

Answer 1

(5.2-2.55)x4-0.5
=2.65×4-0.5
=10.6-0.5
=10.1

Answer 2

(5.2-2.55)x4-0.5
=5.2x4-2.5x4-0.05x4-0.5
=20.8-10-0.2-0.5
=10.8-0.7
=10.1

Answer 3

5.2*4-2.55*4-0.5=20.8-10.2-0.5=10.1

Answer 4

(5.2-2.55)x4-0.5
=2.65x4-0.5
=10.6-0.5
=10.1

Answer 5

(5.2-2.55)x4-0.5 =2.65x4-0.5 =10.6-0.5 =10.1
4
分享评论
踩
hdjxk
2017-10-08
关注