问题 解答题
脱式计算
97×23-350÷14
(564-18×24)÷12
783+21×15-369[504-(318-214)]÷25
答案

(1)97×23-350÷14

=2231-25

=2206;

(2)(564-18×24)÷12

=(564-432)÷12

=132÷12

=11;

(3)783+21×15-369

=783+315-369

=1098-369

=729;

(4)[504-(318-214)]÷25

=[504-104]÷25

=400÷25

=16.

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