1 4 9 16 25 () 49
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1 4 9 16 25 () 49
1 4 9 16 25 () 49
1 4 9 16 25 () 49
36
36
分别是1 2 3 4 5 6 7 的平方
1 4 9 16 25 (36) 49
2×4+1=9
3×4+4=16
4×4+9=25
5×4+16=36
1,4,9,16,25,( ),49
1 4 9 16 25 () 49
1,4,9,16,25,()49,64,(),(),
找规律:1,-4,9,-16,25,-36,49,().
4,9,16,25,( ),49,64.
1,4,9,16,25,36,49,( )
1,4,9( ),25,( ),49
1,4,9,16,25,( ),49,64,( ),( )找规律
计算(1)根号25*根号4与根号25*4 (2)根号9/16*根号49/36与根号9/16*49/36
1+4+9+16+25+36+49+.n^2
1,4,9,16,25,( ),49,找规律添数
找出规律:1,4,9,16,25,36,49,64.
规律题:1,-4,9,-16,25,-36,49,
1,4,9,16,25,()49,64 括号里填什么数 有规律
观察数的规律填空:1,-4,9,-16,25,-36,49,( ).
找规律 1,4,9,16,25,36,49( )括号里填什么
1 4 9 16 25 ()49 64 81.找规律,
找规律,填上合适的数:1,-4,9,-16,25,-36,49( )