脱式计算 (1)840÷6-16×8 (2...
答案:1 悬赏:40
解决时间 2022-01-01 09:25
- 提问者网友:我是女神我骄傲
- 2021-12-31 17:41
脱式计算 (1)840÷6-16×8 (2...
最佳答案
- 二级知识专家网友:蓝房子
- 2021-12-31 17:58
(1)840÷6-16×8
=140-128
=12;
(2)180-(325-900÷5)
=180-(325-180)
=180-145
=35;
(3)(107-63)×(375÷15)
=44×25
=1100;
(4)432-(56-64÷4)
=432-(56-16)
=432-40
=392;
(5)48-25.06+24.6
=22.94+24.6
=47.54;
(6)990÷[2×(17+28)]
=990÷[2×45]
=990÷90
=11.
=140-128
=12;
(2)180-(325-900÷5)
=180-(325-180)
=180-145
=35;
(3)(107-63)×(375÷15)
=44×25
=1100;
(4)432-(56-64÷4)
=432-(56-16)
=432-40
=392;
(5)48-25.06+24.6
=22.94+24.6
=47.54;
(6)990÷[2×(17+28)]
=990÷[2×45]
=990÷90
=11.
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