下面各题怎样简便就怎样算. 25×7×4 32+26+74+168 63×25+25×37 99×32+32 25×44 48×213
答案:2 悬赏:80
解决时间 2021-03-14 15:06
- 提问者网友:不懂我就别说我变
- 2021-03-13 18:50
下面各题怎样简便就怎样算. 25×7×4 32+26+74+168 63×25+25×37 99×32+32 25×44 48×213-13×48.
最佳答案
- 二级知识专家网友:心与口不同
- 2021-03-13 19:11
(1)25×7×4,
=25×4×7,
=100×7,
=700;
(2)32+26+74+168,
=(32+168)+(26+74),
=200+100,
=300;
(3)63×25+25×37,
=25×(63+37),
=25×100,
=2500;
(4)99×32+32,
=(99+1)×32,
=100×32,
=3200;
(5)25×44,
=25×4×11,
=100×11,
=1100;
(6)48×213-13×48,
=48×(213-13),
=48×200,
=9600.
=25×4×7,
=100×7,
=700;
(2)32+26+74+168,
=(32+168)+(26+74),
=200+100,
=300;
(3)63×25+25×37,
=25×(63+37),
=25×100,
=2500;
(4)99×32+32,
=(99+1)×32,
=100×32,
=3200;
(5)25×44,
=25×4×11,
=100×11,
=1100;
(6)48×213-13×48,
=48×(213-13),
=48×200,
=9600.
全部回答
- 1楼网友:我的任性你不懂
- 2021-03-13 20:07
你说呢...
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