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怎样简便就怎样算.43×25×4023×(200+4)167+289+33135×17+17×658×5×125×4097×25-17×25.
题目详情
怎样简便就怎样算.
43×25×40 | 23×(200+4) | 167+289+33 |
135×17+17×65 | 8×5×125×40 | 97×25-17×25. |
▼优质解答
答案和解析
(1)43×25×40
=43×(25×40)
=43×1000
=43000;
(2)23×(200+4)
=23×200+23×4
=4600+92
=4692;
(3)167+289+33
=167+33+289
=200+289
=489;
(4)135×17+17×65
=(135+65)×17
=200×17
=3400;
(5)8×5×125×40
=8×125×(40×5)
=1000×200
=200000;
(6)97×25-17×25
=(97-17)×25
=80×25
=2000.
=43×(25×40)
=43×1000
=43000;
(2)23×(200+4)
=23×200+23×4
=4600+92
=4692;
(3)167+289+33
=167+33+289
=200+289
=489;
(4)135×17+17×65
=(135+65)×17
=200×17
=3400;
(5)8×5×125×40
=8×125×(40×5)
=1000×200
=200000;
(6)97×25-17×25
=(97-17)×25
=80×25
=2000.
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