1、8,96,140,162,173,(AA178.5,B179.5,C180.5,D181.52、4,14,45,139,(AA422,B412,C421,D3873、1,2,3,7,8,17,15,(AA31,B10,C9,D254、1
1、8,96,140,162,173,(AA178.5,B179.5,C180.5,D181.52、4,14,45,139,(AA422,B412,C421,D3873、1,2,3,7,8,17,15,(AA31,B10,C9,D254、1,7,24,33,46,,92 (A) A65,B67,C69,D71
數(shù)學(xué)人氣:774 ℃時(shí)間:2020-03-29 12:11:07
優(yōu)質(zhì)解答
1、8,96,140,162,173,(AA178.5,B179.5,C180.5,D181.5后項(xiàng)減前項(xiàng),88,44,22,11,5.5,等比數(shù)列()=173+5.5=178.52、4,14,45,139,(AA422,B412,C421D3874*3+2=1414*3+3=4545*3+4=139139*3+5=4223、1,2,3,7,8,17,15,(AA31,B10,C9,D25兩個(gè)數(shù)一組,后項(xiàng)減去前項(xiàng),1,4,9,16,分別為1,2,3,4,的平方A4、1,7,24,33,46,,92 (A) A65,B67,C69,D71回答:zyllgj1974級(jí)別:學(xué)者10月14日 08:18 這個(gè)不是正題,第一個(gè)數(shù)該是17而不是1,7這樣就成了17,24,33,46,65,92差為7,9,13,19,27再差為2,4,6,8等差為2所以本題該選A65 "
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