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혼합계산 : 레벨2

1
(3X5)+8X2
=
31
2
(6X5)X5+7
=
157
3
5X1+(2/2)
=
6
4
9+4-(2X4)
=
5
5
(4+1)-2-1
=
2
6
3X5+(5-3)
=
17
7
1+(1+8)+9
=
19
8
9X3+(5X9)
=
72
9
(6/3)X3X1
=
6
10
(3+1)X3+7
=
19
11
(6-1)X8+4
=
44
12
4+3+(5X7)
=
42
13
(8+4)/1+2
=
14
14
(8+9)X1-5
=
12
15
(9/3)+4+7
=
14