题目内容
计算.
| 30×8÷6 | 213×3+39 | 254-54÷2. |
(1)30×8÷6,
=240÷6,
=40;
(2)213×3+39,
=639+39,
=678;
(3)254-54÷2,
=254-27,
=227.
=240÷6,
=40;
(2)213×3+39,
=639+39,
=678;
(3)254-54÷2,
=254-27,
=227.
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