Question

5道七年级有理数加减计算题.要最全的!(不加答案)

10道七年级有理数加减计算题.要最全的!(不加答案)

Answer 1

(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)
(9) |(-7.2)-(-6.3)+(1.1)|
(10) |(-5/4)-(-3/4)|-|1-5/4-|-3/4|)