혼합계산 : 레벨2
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혼합계산: 레벨228
1
5X(4+5)+2
=
47
2
4X7X(9-4)
=
140
3
3+(4X7)-3
=
28
4
4-(9-4)+4
=
3
5
1X1X(5X2)
=
10
6
(9X8)+9X6
=
126
7
7X(9X3)X4
=
756
8
7+3X(2X1)
=
13
9
1X(2/2)X4
=
4
10
2+5+(6/1)
=
13
11
5-3+(5+2)
=
9
12
(2/2)X4/1
=
4
13
1X(7-1)-1
=
5
14
(8-7)+2+3
=
6
15
1+(2+4)X6
=
37