(-0.5)-(-3又4分之1)+2.75+(-7又2分之1)

2024-12-12 00:37:26
推荐回答(2个)
回答1:

(-0.5)-(-3又4分差雀闹之虚罩1)+2.75+(-7又2分岁念之1)
= -0.5+3.25+2.75-7.5
= -8+6
= -2

回答2:

-2