七年级上学期有理数运算题(50道)

问题描述:

七年级上学期有理数运算题(50道)

[|-98|+76+(-87)]-23[56+(-75)-(7)]-(8+4+3) -(-89)+|-87|-23+[-75-(7)+76]-(10+39-24) |-9.8|+(-4.6)-[8.7-(-1.3)]+(-5.4)-(-0.2) [-(-84)+46]-|-9.1|+(+1.9) [-(-90)+(-34)]-(+43)+(-57)+10 5+21+8/2-6-59 68/21-8...