혼합계산 : 레벨2
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혼합계산: 레벨211
1
8+4-(8-1)
=
5
2
2-(3+3)+7
=
3
3
(7X8)/1X3
=
168
4
3X(5X8)+3
=
123
5
2X8+(2X9)
=
34
6
(4+5)X3+7
=
34
7
3/1X(2X3)
=
18
8
7X(5+1)-2
=
40
9
9/(2X1)X6
=
27
10
2+5-(5-3)
=
5
11
4X9X(2+8)
=
360
12
3X(1+6)-1
=
20
13
4X(3-2)+5
=
9
14
4+(6-1)+2
=
11
15
4+4+(7-3)
=
12