혼합계산 : 레벨2
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혼합계산: 레벨251
1
6X7+(6X2)
=
54
2
6-5+(9-1)
=
9
3
3X(9-1)-9
=
15
4
(7-4)+4+1
=
8
5
6X9-(5+3)
=
46
6
4-5+(2/1)
=
1
7
(3/3)X5+4
=
9
8
4+1X(3X1)
=
7
9
(2X2)X4/2
=
8
10
(1X5)/5+4
=
5
11
9X(4+8)X3
=
324
12
(4X9)/1+2
=
38
13
(1X7)X2-5
=
9
14
6-2-(8-5)
=
1
15
(4X1)X3/6
=
2