题目内容

先想好运算顺序,再计算。 
(1)24÷6×7 (2)42÷7÷3
(3)36÷(51-42) (4)61-(8+9)
(5)28÷4+19 (6)(3+4)×7
(7)62-(12+10) (8)2×3×7
(9)35+(60-40) (10)36÷4×6
(1)原式= 4×7
                =28
(2)原式=6÷3
                =2
(3)原式=36÷9
                = 4
(4)原式=61-17
                = 44
(5)原式=7+19
                =26
(6)原式=7×7
                = 49
(7)原式=62-22
                = 40
(8)原式=6×7
                = 42
(9)原式=35+20
                =55
(10)原式=9×6
                  =54
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