怎样简便就怎样算.389+327+211608-154-146587-98258+36×7224×(9+11)365-79+121.-数学

题目简介

怎样简便就怎样算.389+327+211608-154-146587-98258+36×7224×(9+11)365-79+121.-数学

题目详情

怎样简便就怎样算.
389+327+211
608-154-146587-98
258+36×7224×(9+11)365-79+121.
题型:解答题难度:中档来源:不详

答案

(1)389+327+211
=389+211+327,
=600+327,
=927;

(2)608-154-146
=608-(154+146),
=608-300,
=308;

(3)587-98
=587-(100-2),
=587-100+2,
=487+2,
=489;

(4)258+36×72
=258+2592,
=2850;

(5)24×(9+11)
=24×20,
=480;

(6)365-79+121
=286+121,
=407.

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