怎样算简便就怎样算 425÷(155-130) (765-230)×45 109+127+73 608-154-146 165-97 2
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解决时间 2021-01-20 21:26
- 提问者网友:浮克旳回音
- 2021-01-20 12:34
怎样算简便就怎样算 425÷(155-130) (765-230)×45 109+127+73 608-154-146 165-97 2
最佳答案
- 五星知识达人网友:琴狂剑也妄
- 2021-01-20 12:40
(1)425÷(155-130),
=425÷25,
=17;
(2)(765-230)×45,
=535×45,
=24075;
(3)109+127+73,
=109+(127+73),
=109+200,
=309;
(4)608-154-146,
=608-(154+146),
=608-300,
=308;
(5)165-97,
=165-(100-3),
=165-100+3,
=65+3,
=68;
(6)258+98,
=258+(100-2),
=258+100-2,
=358-2,
=356.
=425÷25,
=17;
(2)(765-230)×45,
=535×45,
=24075;
(3)109+127+73,
=109+(127+73),
=109+200,
=309;
(4)608-154-146,
=608-(154+146),
=608-300,
=308;
(5)165-97,
=165-(100-3),
=165-100+3,
=65+3,
=68;
(6)258+98,
=258+(100-2),
=258+100-2,
=358-2,
=356.
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