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混合运算.81×7÷9672÷(3×2)576÷4÷3399÷7+293.

题目详情
混合运算.
81×7÷9 672÷(3×2 ) 576÷4÷3 399÷7+293.
▼优质解答
答案和解析
(1)81×7÷9,
=567÷9,
=63;

(2)672÷(3×2 ),
=672÷6,
=112;

(3)576÷4÷3,
=144÷3,
=48;

(4)399÷7+293,
=57+293,
=350.