问题 解答题
脱式计算
35×(320-170)÷50(36×54-984)÷24150÷[90÷(67-52)]640÷[(96-80)×4].
答案

(1)35×(320-170)÷50,

=35×150÷50,

=5250÷50

=105;

(2)(36×54-984)÷24,

=(1944-984)÷24,

=960÷24,

=40;

(3)150÷[90÷(67-52)],

=150÷[90÷15],

=150÷6,

=25;

(4)640÷[(96-80)×4],

=640÷[16×4],

=640÷64,

=10.

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