怎样简便就怎样算96×359+359×4 (25+11)×40&nb...
答案:1 悬赏:50 手机版
解决时间 2021-02-03 05:46
- 提问者网友:蓝琪梦莎
- 2021-02-03 00:56
怎样简便就怎样算96×359+359×4 (25+11)×40&nb...
最佳答案
- 五星知识达人网友:woshuo
- 2021-02-03 01:03
(1)96×359+359×4
=(96+4)×359
=100×359
=35900;
(2)(25+11)×40
=25×40+11×40
=1000+440
=1440;
(3)45×102
=45×(100+2)
=45×100+45×2
=4500+90
=4590;
(4)48×25
=12×4×25
=12×(4×25)
=12×100
=1200;
(5)85×199+85
=85×199+85×1
=85×(199+1)
=85×200
=17000;
(6)420÷35
=420÷(7×5)
=420÷7÷5
=60÷5
=12.
=(96+4)×359
=100×359
=35900;
(2)(25+11)×40
=25×40+11×40
=1000+440
=1440;
(3)45×102
=45×(100+2)
=45×100+45×2
=4500+90
=4590;
(4)48×25
=12×4×25
=12×(4×25)
=12×100
=1200;
(5)85×199+85
=85×199+85×1
=85×(199+1)
=85×200
=17000;
(6)420÷35
=420÷(7×5)
=420÷7÷5
=60÷5
=12.
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