혼합계산 : 레벨2
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혼합계산: 레벨213
1
(5+3)X3+3
=
27
2
4X5/(4-3)
=
20
3
4X5+(7+2)
=
29
4
8X5+(5X8)
=
80
5
(4X9)-4-9
=
23
6
(6-4)X9-5
=
13
7
7X4X(3+7)
=
280
8
9X1+(7X1)
=
16
9
(7+2)X1/3
=
3
10
6-7+(4+7)
=
10
11
1-3+(6X1)
=
4
12
1X2+(8X8)
=
66
13
(7X3)+8-8
=
21
14
9X(7-2)X6
=
270
15
6+(3-1)/2
=
7