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수식 x - +

1x2-4+3= 1
1x3-5+4= 2
1x2-3+4= 3
1x2-3+5= 4
1x2-3+6= 5
1x2-3+7= 6
1x2-3+8= 7
1x2-3+9= 8
1x3-2+8= 9
1x3-2+9= 10
1x4-2+9= 11
1x5-2+9= 12
1x6-2+9= 13
1x7-2+9= 14
1x8-2+9= 15
2x4-1+9= 16
2x5-1+8= 17
2x5-1+9= 18
2x6-1+8= 19
2x6-1+9= 20
2x7-1+8= 21
2x7-1+9= 22
2x9-1+6= 23
2x8-1+9= 24
2x9-1+8= 25
3x6-1+9= 26
3x7-2+8= 27
3x7-1+8= 28
3x7-1+9= 29
3x8-1+7= 30
3x8-2+9= 31
3x8-1+9= 32
3x9-1+7= 33
3x9-1+8= 34
4x7-1+8= 35
4x7-1+9= 36
4x8-1+6= 37
4x8-1+7= 38
4x8-2+9= 39
4x8-1+9= 40
4x9-1+6= 41
4x9-1+7= 42
4x9-1+8= 43
5x8-2+6= 44
5x8-1+6= 45
5x8-1+7= 46
5x8-2+9= 47
5x8-1+9= 48
5x9-2+6= 49
5x9-1+6= 50


수식 x + -

1x2+3-4= 1
1x3+4-5= 2
1x2+4-3= 3
1x2+5-3= 4
1x2+6-3= 5
1x2+7-3= 6
1x2+8-3= 7
1x2+9-3= 8
1x3+8-2= 9
1x3+9-2= 10
1x4+9-2= 11
1x5+9-2= 12
1x6+9-2= 13
1x7+9-2= 14
1x8+9-2= 15
2x4+9-1= 16
2x5+8-1= 17
2x5+9-1= 18
2x6+8-1= 19
2x6+9-1= 20
2x7+8-1= 21
2x7+9-1= 22
2x9+6-1= 23
2x8+9-1= 24
2x9+8-1= 25
3x6+9-1= 26
3x7+8-2= 27
3x7+8-1= 28
3x7+9-1= 29
3x8+7-1= 30
3x8+9-2= 31
3x8+9-1= 32
3x9+7-1= 33
3x9+8-1= 34
4x7+8-1= 35
4x7+9-1= 36
4x8+6-1= 37
4x8+7-1= 38
4x8+9-2= 39
4x8+9-1= 40
4x9+6-1= 41
4x9+7-1= 42
4x9+8-1= 43
5x8+6-2= 44
5x8+6-1= 45
5x8+7-1= 46
5x8+9-2= 47
5x8+9-1= 48
5x9+6-2= 49
5x9+6-1= 50


수식 - x +

1-2x3+4= -1
1-2x4+5= -2
1-2x5+6= -3
1-2x4+3= -4
1-2x5+4= -5
1-2x5+3= -6
1-2x6+4= -7
1-2x6+3= -8
1-2x7+4= -9
1-2x7+3= -10
1-2x8+4= -11
1-2x8+3= -12
1-2x9+4= -13
1-2x9+3= -14
1-3x6+2= -15
1-3x7+4= -16
1-3x8+6= -17
1-3x7+2= -18
1-3x8+4= -19
1-3x9+6= -20
1-3x8+2= -21
1-3x9+4= -22
2-4x7+3= -23
1-3x9+2= -24
1-4x7+2= -25
1-4x8+5= -26
1-4x9+8= -27
1-4x8+3= -28
1-4x8+2= -29
1-4x9+5= -30
1-5x7+3= -31
1-4x9+3= -32
1-4x9+2= -33
2-5x8+4= -34
1-5x8+4= -35
1-5x8+3= -36
1-5x8+2= -37
1-5x9+6= -38
1-6x7+2= -39
1-5x9+4= -40
1-5x9+3= -41
1-5x9+2= -42
1-6x8+4= -43
1-6x8+3= -44
1-6x8+2= -45
1-6x9+7= -46
2-6x9+5= -47
1-6x9+5= -48
1-6x9+4= -49
1-6x9+3= -50


수식 - + x

1-6+2x3= 1
1-5+2x3= 2
1-4+2x3= 3
1-5+2x4= 4
1-6+2x5= 5
1-3+2x4= 6
1-4+2x5= 7
1-3+2x5= 8
1-4+2x6= 9
1-3+2x6= 10
1-2+3x4= 11
1-3+2x7= 12
1-4+2x8= 13
1-2+3x5= 14
1-4+2x9= 15
1-3+2x9= 16
1-2+3x6= 17
1-3+4x5= 18
1-2+4x5= 19
1-2+3x7= 20
1-4+3x8= 21
1-3+4x6= 22
1-2+3x8= 23
1-4+3x9= 24
2-1+3x8= 25
1-2+3x9= 26
1-2+4x7= 27
1-3+5x6= 28
1-2+5x6= 29
1-3+4x8= 30
1-2+4x8= 31
1-4+5x7= 32
1-3+5x7= 33
1-2+5x7= 34
1-2+4x9= 35
2-1+5x7= 36
1-4+5x8= 37
1-3+5x8= 38
1-2+5x8= 39
1-3+6x7= 40
1-2+6x7= 41
1-4+5x9= 42
1-3+5x9= 43
1-2+5x9= 44
1-4+6x8= 45
1-3+6x8= 46
1-2+6x8= 47
1-7+6x9= 48
2-1+6x8= 49
1-5+6x9= 50

----------------50이상
5-1+8x9= 76


수식 + x -

1+2x3-6= 1
1+2x3-5= 2
1+2x3-4= 3
1+2x4-5= 4
1+2x5-6= 5
1+2x4-3= 6
1+2x5-4= 7
1+2x5-3= 8
1+2x6-4= 9
1+2x6-3= 10
1+2x7-4= 11
1+2x7-3= 12
1+2x8-4= 13
1+2x8-3= 14
1+2x9-4= 15
1+2x9-3= 16
1+3x6-2= 17
1+3x7-4= 18
1+3x8-6= 19
1+3x7-2= 20
1+3x8-4= 21
1+3x9-6= 22
1+3x8-2= 23
1+3x9-4= 24
2+3x8-1= 25
1+3x9-2= 26
1+4x7-2= 27
1+4x8-5= 28
1+4x9-8= 29
1+4x8-3= 30
1+4x8-2= 31
1+4x9-5= 32
1+5x7-3= 33
1+4x9-3= 34
1+4x9-2= 35
2+5x7-1= 36
1+5x8-4= 37
1+5x8-3= 38
1+5x8-2= 39
1+5x9-6= 40
1+6x7-2= 41
1+5x9-4= 42
1+5x9-3= 43
1+5x9-2= 44
1+6x8-4= 45
1+6x8-3= 46
1+6x8-2= 47
1+6x9-7= 48
2+6x8-1= 49
1+6x9-5= 50
7+6×9-3=58

수식 + - x

1+4-2x3= -1
1+5-2x4= -2
1+6-2x5= -3
1+3-2x4= -4
1+4-2x5= -5
1+3-2x5= -6
1+4-2x6= -7
1+3-2x6= -8
1+2-3x4= -9
1+3-2x7= -10
1+4-2x8= -11
1+2-3x5= -12
1+4-2x9= -13
1+3-2x9= -14
1+2-3x6= -15
1+3-4x5= -16
1+2-4x5= -17
1+2-3x7= -18
1+4-3x8= -19
1+3-4x6= -20
1+2-3x8= -21
1+4-3x9= -22
2+3-4x7= -23
1+2-3x9= -24
1+2-4x7= -25
1+3-5x6= -26
1+2-5x6= -27
1+3-4x8= -28
1+2-4x8= -29
1+4-5x7= -30
1+3-5x7= -31
1+2-5x7= -32
1+2-4x9= -33
2+4-5x8= -34
1+4-5x8= -35
1+3-5x8= -36
1+2-5x8= -37
1+3-6x7= -38
1+2-6x7= -39
1+4-5x9= -40
1+3-5x9= -41
1+2-5x9= -42
1+4-6x8= -43
1+3-6x8= -44
1+2-6x8= -45
1+7-6x9= -46
2+5-6x9= -47
1+5-6x9= -48
1+4-6x9= -49
1+3-6x9= -50

        (맑음님 유튜브 커뮤니티)