91+89+11 115...
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解决时间 2021-11-12 14:21
- 提问者网友:咪咪
- 2021-11-11 23:27
91+89+11 115...
最佳答案
- 五星知识达人网友:笑迎怀羞
- 2021-11-11 23:53
(1)91+89+11,
=91+(89+11),
=91+100,
=191;
(2)115+41+85,
=(115+85)+41,
=200+41,
=241;
(3)157+250+43,
=(157+43)+250,
=200+250,
=450;
(4)324+75+46+25+54,
=324+(75+25)+(46+54),
=324+100+100,
=424+100,
=524;
(5)415+217+35+83,
=(415+35)+(217+83),
=450+300,
=750.
=91+(89+11),
=91+100,
=191;
(2)115+41+85,
=(115+85)+41,
=200+41,
=241;
(3)157+250+43,
=(157+43)+250,
=200+250,
=450;
(4)324+75+46+25+54,
=324+(75+25)+(46+54),
=324+100+100,
=424+100,
=524;
(5)415+217+35+83,
=(415+35)+(217+83),
=450+300,
=750.
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