题目内容
用递等式计算.
| 37×(400-327) | 426+157×28 | (161-30)×(359-274) | 386×42÷2. |
(1)37×(400-327),
=37×73,
=2701;
(2)426+157×28,
=426+4396,
=4822;
(3)(161-30)×(359-274),
=131×85,
=11135;
(4)386×42÷2,
=16212÷2,
=8106.
=37×73,
=2701;
(2)426+157×28,
=426+4396,
=4822;
(3)(161-30)×(359-274),
=131×85,
=11135;
(4)386×42÷2,
=16212÷2,
=8106.
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