急求初一加减混合运算100道

1)23+(-73)
(2)(-84)+(-49)
(3)7+(-2.04)
(4)4.23+(-7.57)
(5)(-7/3)+(-7/6)
(6)9/4+(-3/2）
(7)3.75+(2.25)+5/4
(8)-3.75+(+5/4)+(-1.5)
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