
递等式计算.(能巧算的就巧算)(1)167+133÷7 (2)536-274-136
2个回答
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(1)167+133÷7,
=167+19,
=186;
(2)536-274-136,
=536-(274+136),
=536-410,
=126.
=167+19,
=186;
(2)536-274-136,
=536-(274+136),
=536-410,
=126.
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