(1)960-720÷8×9 (2)12×(736-656÷16) (3)78×101 (4)400÷25÷4 (5)927÷[630÷(3
答案:2 悬赏:10
解决时间 2021-03-21 12:53
- 提问者网友:暖心后
- 2021-03-20 15:55
(1)960-720÷8×9 (2)12×(736-656÷16) (3)78×101 (4)400÷25÷4 (5)927÷[630÷(34+36)] (6)125×88 (7)230×24+240×77 (8)46×101-146 (9)(841-41)÷25×4
最佳答案
- 二级知识专家网友:不傲怎称霸
- 2021-03-20 16:01
(1)960-720÷8×9
=960-90×9
=150 (2)12×(736-656÷16)
=12×(736-41)
=8340 (3)78×101
=7800+78
=7878
(4)400÷25÷4
=400÷100
=4
(5)927÷[630÷(34+36)]
=927÷[630÷70]
=103 (6)125×88
=125×8×11
=11000
(7)230×24+240×77
=240×(23+77)
=24000 (8)46×101-146
=45×100
=4500 (9)(841-41)÷25×4
=800÷25×4
=128
=960-90×9
=150 (2)12×(736-656÷16)
=12×(736-41)
=8340 (3)78×101
=7800+78
=7878
(4)400÷25÷4
=400÷100
=4
(5)927÷[630÷(34+36)]
=927÷[630÷70]
=103 (6)125×88
=125×8×11
=11000
(7)230×24+240×77
=240×(23+77)
=24000 (8)46×101-146
=45×100
=4500 (9)(841-41)÷25×4
=800÷25×4
=128
全部回答
- 1楼网友:虚伪的现实
- 2021-03-20 17:02
(1)960-720÷8×9,
=960-720÷8÷9,
=960-810,
=150;
(2)12×(736-656÷16),
=12×(736-41),
=12×695,
=12×(700-5),
=12×700-12×5,
=(10+2)×700-60,
=7000+1400-60,
=8340;
(3)360÷9+3×21,
=40+63,
=103;
(4)927÷[630÷(34+36)],
=927÷[630÷70],
=927÷9,
=103;
(5)125×(8×2)+100,
=125×8×2+100,
=1000×2+100,
=2000+100,
=2100;
(6)125×88,
=125×8×11,
=1000×11,
=11000;
(7)230×24+240×77,
=23×240+240×77,
=240×(23+77),
=240×100,
=24000;
(8)46×101-146,
=46×(100+1)-146,
=4600+46-146,
=4600-(146-46),
=4600-100,
=4500;
(9)(841-41)÷25×4,
=800÷25×4,
=8×100÷25×4,
=8×(100÷25)×4,
=8×4×4,
=32×4,
=128.
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