혼합계산 : 레벨2
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혼합계산: 레벨213
1
(5X9)-4X5
=
25
2
(5+8)+9+3
=
25
3
4X(4+8)X7
=
336
4
(1X8)-1+7
=
14
5
4+7X(4-2)
=
18
6
5X(3X2)+4
=
34
7
9+(8+9)-5
=
21
8
5+3+(9+3)
=
20
9
(5X3)+7-9
=
13
10
5+1-(8/4)
=
4
11
9X1-(2-1)
=
8
12
(6X2)/6X2
=
4
13
4/(5-4)X3
=
12
14
(4/4)X7-4
=
3
15
5/(6/2)X3
=
5