题目内容
| 360÷(81-69)×30 | 728÷〔(104-97)×13〕 | (800-16×22)÷16. |
(1)360÷(81-69)×30
=360÷12×30
=30×30
=900;
(2)728÷[(104-97)×13]
=728÷[7×13]
=728÷91
=8;
(3)(800-16×22)÷16
=(800-352)÷16
=448÷16
=28.
=360÷12×30
=30×30
=900;
(2)728÷[(104-97)×13]
=728÷[7×13]
=728÷91
=8;
(3)(800-16×22)÷16
=(800-352)÷16
=448÷16
=28.
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