小学四年级上册有关发现数字规律的题

2026-06-12

1:1,2,4,8,16,( ),64,128;2:45,36,28,21,( ),10,6,3,1;3:1,2,6,24,120,( ),5040;4:32,16,48,24,72,36,( ),54,162;(1)75,3,74,3,73,3,( ),( );(2)1,4,5,4,9,4,( ),( );(3)3,2,6,2,12,2,( ),( );(4)76,2,75,3,74,4,( ),( );(5)2,3,4,5,8,7,( ),(0);(6)2,1,4,1,8,1,( ),(...

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得数是7的减法算式有什么规律

2026-06-01

减法算式中得数为7的规律如下: 7 - 0 = 7 8 - 1 = 7 9 - 2 = 7 10 - 3 = 7 11 - 4 = 7 12 - 5 = 7 13 - 6 = 7 14 - 7 = 7 15 - 8 = 7 16 - 9 = 7 17 - 10 = 7 18 - 11 = 7 19 - 12 = 7 20 - 13 = 7 21 - 14 = 7 22 - 15 = 7 23 - 16 = 7 24 - 17 = 7 25 - 18 = 7 26 - 19 = 7 可以看出...

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