简便计算: 8×72×125 102×36 49×99+49 900÷25
答案:3 悬赏:80 手机版
解决时间 2021-12-01 11:07
- 提问者网友:星軌
- 2021-11-30 15:43
简便计算: 8×72×125 102×36 49×99+49 900÷25
最佳答案
- 五星知识达人网友:逐風
- 2021-11-30 16:43
(1)8×72×125,
=(8×125)×72,
=1000×72,
=72000;
(2)102×36,
=(100+2)×36,
=100×36+2×36,
=3600+72,
=3672;
(3)49×99+49,
=49×(99+1),
=49×100,
=4900;
(4)900÷25,
=900÷5÷5,
=180÷5,
=36.
=(8×125)×72,
=1000×72,
=72000;
(2)102×36,
=(100+2)×36,
=100×36+2×36,
=3600+72,
=3672;
(3)49×99+49,
=49×(99+1),
=49×100,
=4900;
(4)900÷25,
=900÷5÷5,
=180÷5,
=36.
全部回答
- 1楼网友:举杯邀酒敬孤独
- 2021-11-30 18:29
请你发的详细一下,不然你可以下载一个简便计算器【希望可以帮助到你】
- 2楼网友:行路难
- 2021-11-30 17:21
(1)8×72×125, =(8×125)×72, =1000×72, =72000; (2)102×36, =(100+2)×36, =100×36+2×36, =3600+72, =3672; (3)49×99+49, =49×(99+1), =49×100, =4900; (4)900÷25, =900÷5÷5, =180÷5, =36. |
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