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혼합계산 : 레벨2

1
(2+3)/5X4
=
4
2
(9+7)-3+1
=
14
3
(2X1)+6+2
=
10
4
1X4-(7/7)
=
3
5
(6/2)+5+5
=
13
6
4-6+(5+5)
=
8
7
5X(9+1)+1
=
51
8
9/1/(5-2)
=
3
9
2+(8-3)-4
=
3
10
5X(7X8)+1
=
281
11
1+2+(3X4)
=
15
12
(4X9)-8X2
=
20
13
8X5X(9X2)
=
720
14
2+2+(3+4)
=
11
15
(3+2)/1/5
=
1