题目内容
| 脱式计算 97×23-350÷14 | (564-18×24)÷12 |
| 783+21×15-369 | [504-(318-214)]÷25 |
(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.
=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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