题目内容
利用乘法分配律计算下面各题.
(10+4)×2528×17+72×1795×11-85×11.
(10+4)×2528×17+72×1795×11-85×11.
(1)(10+4)×25,
=10×25+4×25,
=250+100,
=350;
(2)28×17+72×17,
=(28+72)×17,
=100×17,
=1700;
(3)95×11-85×11,
=(95-85)×11,
=10×11,
=110.
=10×25+4×25,
=250+100,
=350;
(2)28×17+72×17,
=(28+72)×17,
=100×17,
=1700;
(3)95×11-85×11,
=(95-85)×11,
=10×11,
=110.
练习册系列答案
相关题目