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题型:单选题 题类:常考题 难易度:普通
混合运算(乘加、乘减、除加、除减两步计算式题)2861 10
19–(3+6)= 19 – 3 + 6 = 9×7–40=
(70–30)÷8= 15+27÷9= 80–20+30=
72÷8+13= 90–5×8= 60+50–20=
30-15+9{#blank#}1{#/blank#}6×3+6 67-29-12{#blank#}2{#/blank#}67-(29-12)
4×(54÷6){#blank#}3{#/blank#}18+8×2 5+35÷5{#blank#}4{#/blank#}(25+7)÷4
4×9÷6{#blank#}5{#/blank#}72÷9×2 7×9-18{#blank#}6{#/blank#}8×8-19
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