혼합계산 : 레벨2
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혼합계산: 레벨259
1
2-9+(7+1)
=
1
2
6X(5X8)X6
=
1440
3
4X(5-3)-7
=
1
4
(4+1)X2/1
=
10
5
1-1+(1X9)
=
9
6
(7+7)X2X5
=
140
7
3+(9X5)-3
=
45
8
9-5X(3-2)
=
4
9
1+(3X2)/2
=
4
10
5/(3/3)-3
=
2
11
(5X9)/2X6
=
135
12
(7+3)/5X4
=
8
13
(4X3)X4+1
=
49
14
7X(4-2)X6
=
84
15
3+7+(7+1)
=
18