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혼합계산 : 레벨2

1
(5+4)-2X1
=
7
2
8/1+(3/1)
=
11
3
(2+2)+9X2
=
22
4
5+(4-3)+5
=
11
5
(3+2)+7+7
=
19
6
7X1X(9+2)
=
77
7
(6/3)-4/4
=
1
8
9+4X(2+4)
=
33
9
7X(7+3)X7
=
490
10
7+(5/5)X9
=
16
11
(3X5)X3X4
=
180
12
(6-3)+7X3
=
24
13
1+(8X6)/4
=
13
14
1X3X(3X7)
=
63
15
(2X1)/1+6
=
8