78
1+11+1+2+22+2+33+3+3
1个回答
相关问题
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1+11+2+22+3+33+........+100+100100=
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1+11+2+22+3+33+.+100+100100=
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1+11+2+22+3+33.+100+100100=多少
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1-1-11+3+3-1+8-99+5-3-2-1-0+33+22+17
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1*2*3+2*4*6+7*14*21+11*22*33/1*3*5+2*6*10+7*21*35+11*33*55
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1.11*72+2.22*246+3.33*12( 巧算)
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如果1□5=1+11+111+1111+11111,2□4=2+22+222+2222,3□3=3+33+333,4□2
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如果1☆5=1+11+111+1111+11111,2☆4=2+22+222+2222,3☆3=3+33+333,4☆2
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(11-2)1/2=3,(1111-22)1/2=33,(111111-222)1/2=333,.请写出一般式.