计算:(1)(﹣17)+59+(﹣37)(2)﹣43÷5×(3)﹣1.53×0.75+0.53×﹣3.4×0.75(4)(+1.75)﹣|﹣|+(+1.05)+(﹣)﹣(﹣2.2)(5)﹣(1﹣0.5)÷(6).
(本题10分)计算:.
(本题10分)计算:
计算:
计算:.