题目内容
| 脱式计算. 25×(700-684) | 137+21×35 | 162÷9×43 | 428÷4×5. |
(1)25×(700-684),
=25×16,
=400;
(2)137+21×35,
=137+735,
=872;
(3)162÷9×43,
=18×43,
=774;
(4)428÷4×5,
=107×5,
=535.
=25×16,
=400;
(2)137+21×35,
=137+735,
=872;
(3)162÷9×43,
=18×43,
=774;
(4)428÷4×5,
=107×5,
=535.
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