问题
解答题
脱式计算
275+(78-50)
(234-14)÷11
864÷[(27-23)×12].
答案
(1)275+(78-50)
=275+28
=303;
(2)(234-14)÷11
=220÷11
=20;
(3)864÷[(27-23)×12]
=864÷[4×12]
=864÷48
=18.
脱式计算
275+(78-50)
(234-14)÷11
864÷[(27-23)×12].
(1)275+(78-50)
=275+28
=303;
(2)(234-14)÷11
=220÷11
=20;
(3)864÷[(27-23)×12]
=864÷[4×12]
=864÷48
=18.