（1）原式=835÷5-96

                =167-96

                =71（2）原式=63×23

                =1449

（3） 原式= 48-2×2

                 = 44（4）原式=1380÷20

                =69

（5）原式=50×12÷15

                =600÷15

                = 40（6）原式=120+480÷15

                =120+32

                =152

（7）原式=15×58

                =870（8）原式=28+80-30

                =78