혼합계산 : 레벨2
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혼합계산: 레벨223
1
5+(5X3)X3
=
50
2
9-2+(2+1)
=
10
3
5X(1+3)X5
=
100
4
4X7-(2X5)
=
18
5
(1+2)X4X2
=
24
6
5+7X(7X8)
=
397
7
1X4-(5-3)
=
2
8
3-(8-1)+5
=
1
9
(3X4)X3-1
=
35
10
9+1X(4-2)
=
11
11
(8X2)+5+7
=
28
12
3+(9/1)X3
=
30
13
1X2/(4-2)
=
1
14
(3X3)X2X9
=
162
15
3X5-(4/4)
=
14