Question

37.5-87+62.5-13怎么简便运算？

Answer 1

37.5一87十62.5一13
=(37.5十62.5)一(87十13)
=100一100
=0

Answer 2

37.5-87+62.5-13
=(37.5+62.5)-(87+13)
=100-100
=0

Answer 3

37.5-87+62.5-13
=(37.5+62.5)-(87+13)
=100-100
=o

Answer 4

37.5-87+62.5-13
=37.5+62.5-87-13
=（37.5+62.5）-（87+13）
=100-100
=8

Answer 5

37.5-87+62.5-13
=(37.5+62.5)-(87+13)
=100-100
=0