巧算以下几道题，要求过程....
答案:1 悬赏:20 手机版
解决时间 2021-04-06 10:59
- 提问者网友：锁深秋
- 2021-04-05 23:46
巧算以下几道题，要求过程....
最佳答案
- 五星知识达人网友：梦中风几里
- 2021-04-06 00:58
573-136-64-73+208+182
=（573-73）-（136+64）+（208+182）
=500-200+390
=690
127+125+123+126+129+122
=120+7+120+5+120+3+120+6+120+9+120+2
=120x6+（7+5+3+6+3+9+2)
=720+32
=752
2663-874-1126+337
=(2663+337)-(874+1126)
=3000-2000
=1000
28534-18534-13967+12467+13017+2683
=(28534-18534)-(13967-12467)+(13017+2683)
=10000-1500+15700
=24200
274+448-317+326+552-283
=(274+326)+(448+552)-(317+283)
=600+1000-600
=1000
636-112-111+110+109-108-107+106+105-104-103+102+101-100-99+98+97-96-95+94+93-92-91+90+89
=636-112+110-111+109-108+106-107+105-104+102-103+101-100+98-99+97-96+94-95+93-92+90-91+89
=636-(112-110)-(111-109)-(108-106)-(107-105)-(104-102)-(103-101)-(100-98)-(99-97)-(96-94)-(95-93)-(92-90)-(91-89)
=636-2-2-2-2-2-2-2-2-2-2-2-2
=636-2x12
=636-36
=600
=（573-73）-（136+64）+（208+182）
=500-200+390
=690
127+125+123+126+129+122
=120+7+120+5+120+3+120+6+120+9+120+2
=120x6+（7+5+3+6+3+9+2)
=720+32
=752
2663-874-1126+337
=(2663+337)-(874+1126)
=3000-2000
=1000
28534-18534-13967+12467+13017+2683
=(28534-18534)-(13967-12467)+(13017+2683)
=10000-1500+15700
=24200
274+448-317+326+552-283
=(274+326)+(448+552)-(317+283)
=600+1000-600
=1000
636-112-111+110+109-108-107+106+105-104-103+102+101-100-99+98+97-96-95+94+93-92-91+90+89
=636-112+110-111+109-108+106-107+105-104+102-103+101-100+98-99+97-96+94-95+93-92+90-91+89
=636-(112-110)-(111-109)-(108-106)-(107-105)-(104-102)-(103-101)-(100-98)-(99-97)-(96-94)-(95-93)-(92-90)-(91-89)
=636-2-2-2-2-2-2-2-2-2-2-2-2
=636-2x12
=636-36
=600
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