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혼합계산 : 레벨2

1
5X1+(6-2)
=
9
2
6X(4X6)X6
=
864
3
1/1+(4-2)
=
3
4
6-1+(5-4)
=
6
5
7+(8/4)+8
=
17
6
4X9+(7-3)
=
40
7
(5X5)X1X9
=
225
8
(3X1)+4-1
=
6
9
8-2X(1+1)
=
4
10
1+(2X4)+3
=
12
11
(2X5)-4-4
=
2
12
(2+1)+7X5
=
38
13
(8X7)-5X4
=
36
14
3+1X(8-3)
=
8
15
(5X5)+4X5
=
45