用递等式计算。
723-105797+1248324+866-79-12247+115+253+85296+2151479-399756-74-26360/12/5...
723-105
797+1248
324+866-79-122
47+115+253+85
296+215
1479-399
756-74-26
360/12/5 展开
797+1248
324+866-79-122
47+115+253+85
296+215
1479-399
756-74-26
360/12/5 展开
5个回答
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递等式计算怎么算！
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723-105=618
797+1248=2045
324+866-79-122=1190-79-122=1111-122=909
47+115+253+85=162+253+85=415+85=500
296+215=511
1479-399=1080
756-74-26=756-100=656
360/12/5=30/5=6
797+1248=2045
324+866-79-122=1190-79-122=1111-122=909
47+115+253+85=162+253+85=415+85=500
296+215=511
1479-399=1080
756-74-26=756-100=656
360/12/5=30/5=6
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哇！小学也来？！我汗……
723-105
＝723-100-5
＝623-5
＝618
797+1248
＝(800-3)+(1250-2)
=800+1250-5
=2050-5
=2045
324+866-79-122
=320+(4+866)-(80-1)-(120+2)
=320+870-80+1-120-2
=1190-(80+120)-1
=1190-200-1
=990-1=989
47+115+253+85
=(47+253)+(115+85)
=300+200
=500
296+215
=296+4+211
=300+211
=511
1479-399
=1479-400+1
=1079+1
=1080
756-74-26
=756-(74+26)
=756-100
=656
360÷12÷5
=360÷（12×5）
＝360÷60
＝6
723-105
＝723-100-5
＝623-5
＝618
797+1248
＝(800-3)+(1250-2)
=800+1250-5
=2050-5
=2045
324+866-79-122
=320+(4+866)-(80-1)-(120+2)
=320+870-80+1-120-2
=1190-(80+120)-1
=1190-200-1
=990-1=989
47+115+253+85
=(47+253)+(115+85)
=300+200
=500
296+215
=296+4+211
=300+211
=511
1479-399
=1479-400+1
=1079+1
=1080
756-74-26
=756-(74+26)
=756-100
=656
360÷12÷5
=360÷（12×5）
＝360÷60
＝6
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723-105
＝723-100-5
＝623-5
＝618
797+1248
＝(800-3)+(1250-2)
=800+1250-5
=2050-5
=2045
324+866-79-122
=320+(4+866)-(80-1)-(120+2)
=320+870-80+1-120-2
=1190-(80+120)-1
=1190-200-1
=990-1=989
47+115+253+85
=(47+253)+(115+85)
=300+200
=500
296+215
=296+4+211
=300+211
=511
1479-399
=1479-400+1
=1079+1
=1080
756-74-26
=756-(74+26)
=756-100
=656
360÷12÷5
=360÷（12×5）
＝360÷60
＝6
＝723-100-5
＝623-5
＝618
797+1248
＝(800-3)+(1250-2)
=800+1250-5
=2050-5
=2045
324+866-79-122
=320+(4+866)-(80-1)-(120+2)
=320+870-80+1-120-2
=1190-(80+120)-1
=1190-200-1
=990-1=989
47+115+253+85
=(47+253)+(115+85)
=300+200
=500
296+215
=296+4+211
=300+211
=511
1479-399
=1479-400+1
=1079+1
=1080
756-74-26
=756-(74+26)
=756-100
=656
360÷12÷5
=360÷（12×5）
＝360÷60
＝6
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723-105
＝723-100-5
＝623-5
＝618
797+1248
＝(800-3)+(1250-2)
=800+1250-5
=2050-5
=2045
324+866-79-122
=320+(4+866)-(80-1)-(120+2)
=320+870-80+1-120-2
=1190-(80+120)-1
=1190-200-1
=990-1=989
47+115+253+85
=(47+253)+(115+85)
=300+200
=500
296+215
=296+4+211
=300+211
=511
1479-399
=1479-400+1
=1079+1
=1080
756-74-26
=756-(74+26)
=756-100
=656
360÷12÷5
=360÷（12×5）
＝360÷60
＝6
＝723-100-5
＝623-5
＝618
797+1248
＝(800-3)+(1250-2)
=800+1250-5
=2050-5
=2045
324+866-79-122
=320+(4+866)-(80-1)-(120+2)
=320+870-80+1-120-2
=1190-(80+120)-1
=1190-200-1
=990-1=989
47+115+253+85
=(47+253)+(115+85)
=300+200
=500
296+215
=296+4+211
=300+211
=511
1479-399
=1479-400+1
=1079+1
=1080
756-74-26
=756-(74+26)
=756-100
=656
360÷12÷5
=360÷（12×5）
＝360÷60
＝6
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