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혼합계산 : 레벨2

1
2+5X(5+4)
=
47
2
5+8+(4-2)
=
15
3
8X(8-6)+3
=
19
4
(9-4)/4X4
=
5
5
7-2+(5+9)
=
19
6
(4+7)+7+2
=
20
7
9+(2+5)-7
=
9
8
(8X1)-2-2
=
4
9
(6X3)-2X4
=
10
10
4-(1/1)+9
=
12
11
1X3/(1X3)
=
1
12
3+5+(7-5)
=
10
13
6/(3/3)-5
=
1
14
8+3-(2+5)
=
4
15
1+(7+1)X1
=
9