题目内容
| 用简便方法计算. 352-76-124 | 1200÷25÷4 | 25×32. |
(1)352-76-124,
=352-(76+124),
=352-200,
=152;
(2)1200÷25÷4,
=1200÷(25×4),
=1200÷100,
=12;
(3)25×32,
=(25×4)×8,
=100×8,
=800.
=352-(76+124),
=352-200,
=152;
(2)1200÷25÷4,
=1200÷(25×4),
=1200÷100,
=12;
(3)25×32,
=(25×4)×8,
=100×8,
=800.
练习册系列答案
相关题目