用简便方法计算33+125+67 25×23×4 16×25 125×48 156-23-7
答案:1 悬赏:40 手机版
解决时间 2021-02-15 06:32
- 提问者网友:心牵心
- 2021-02-14 13:03
用简便方法计算33+125+67 25×23×4 16×25 125×48 156-23-7
最佳答案
- 五星知识达人网友:胯下狙击手
- 2021-02-14 14:13
(1)33+125+67
=33+67+125
=100+125
=225;
(2)25×23×4
=25×4×23
=100×23
=2300;
(3)16×25
=4×4×25
=4×(4×25)
=4×100
=400;
(4)125×48
=125×(8×6)
=125×8×6
=1000×6
=6000;
(5)156-23-77
=156-(23+77)
=156-100
=56;
(6)91+82+19
=91+19+82
=110+82
=192.
=33+67+125
=100+125
=225;
(2)25×23×4
=25×4×23
=100×23
=2300;
(3)16×25
=4×4×25
=4×(4×25)
=4×100
=400;
(4)125×48
=125×(8×6)
=125×8×6
=1000×6
=6000;
(5)156-23-77
=156-(23+77)
=156-100
=56;
(6)91+82+19
=91+19+82
=110+82
=192.
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