题目内容
| 下面各题,怎样算简便就怎样算. 389+327+211 | 608-154-146 |
| 587-98 | 258+36×72 |
| 24×(9+11) | 525÷(155-130) |
(1)389+327+211
=389+211+327
=600+327
=927;
(2)608-154-146
=608-(154+146)
=608-300
=308;
(3)587-98
=587-100+2
=487+2
=489;
(4)258+36×72
=258+2592
=2850;
(5)24×(9+11)
=24×20
=480;
(6)525÷(155-130)
=525÷25
=21.
=389+211+327
=600+327
=927;
(2)608-154-146
=608-(154+146)
=608-300
=308;
(3)587-98
=587-100+2
=487+2
=489;
(4)258+36×72
=258+2592
=2850;
(5)24×(9+11)
=24×20
=480;
(6)525÷(155-130)
=525÷25
=21.
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