题目内容
脱式计算.
| (238+164)×9 | 800-300÷6 | 361+25×4 | 25×4×8. |
(1)(238+164)×9,
=402×9,
=3618;
(2)800-300÷6,
=800-50,
=750;
(3)361+25×4,
=361+100,
=461;
(4)25×4×8,
=100×8,
=800.
=402×9,
=3618;
(2)800-300÷6,
=800-50,
=750;
(3)361+25×4,
=361+100,
=461;
(4)25×4×8,
=100×8,
=800.
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