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脱式计算:2400÷80-14×2;308-(240+360÷60);10.13-7.5+4.7.
题目详情
脱式计算:
2400÷80-14×2;
308-(240+360÷60);
10.13-7.5+4.7.
2400÷80-14×2;
308-(240+360÷60);
10.13-7.5+4.7.
▼优质解答
答案和解析
(1)2400÷80-14×2
=30-28
=2;
(2)308-(240+360÷60)
=308-(240+6)
=308-246
=62;
(3)10.13-7.5+4.7
=2.63+4.7
=7.33.
=30-28
=2;
(2)308-(240+360÷60)
=308-(240+6)
=308-246
=62;
(3)10.13-7.5+4.7
=2.63+4.7
=7.33.
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