혼합계산 : 레벨2
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혼합계산: 레벨211
1
(1X1)-3+4
=
2
2
(5-3)+9X1
=
11
3
(5+5)-6+5
=
9
4
5+9-(4+7)
=
3
5
3+(1X1)+4
=
8
6
5+(8X9)X4
=
293
7
2+(6/1)X7
=
44
8
(7X3)+6-6
=
21
9
5+7X(6X9)
=
383
10
4X8/(3/3)
=
32
11
(6+5)+1+3
=
15
12
7/(3-2)+2
=
9
13
(9X5)-2-2
=
41
14
(8/1)/2-2
=
2
15
2-1+(2+9)
=
12