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혼합계산 : 레벨2

1
6-3+(9-2)
=
10
2
1/2X(5+9)
=
7
3
(8X2)-7+5
=
14
4
3+(5X4)+5
=
28
5
(1/1)X8+5
=
13
6
(2+4)X4-5
=
19
7
8+(6+8)-1
=
21
8
2+(7X6)+2
=
46
9
(3/1)X9-2
=
25
10
7-(1/1)-4
=
2
11
2X(4X6)-5
=
43
12
4+(4+6)-3
=
11
13
4X(3+3)-7
=
17
14
(9-4)X7+7
=
42
15
7-3+(8X4)
=
36