혼합계산 : 레벨2
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혼합계산: 레벨283
1
(4X6)/4-4
=
2
2
(3X3)X7/3
=
21
3
(6X4)/4-3
=
3
4
4+(4+7)X3
=
37
5
1+1X(7X1)
=
8
6
8X(5/1)-2
=
38
7
(8-3)X8+4
=
44
8
(5-1)-2/2
=
3
9
(7-2)/5+2
=
3
10
5X5+(1X8)
=
33
11
4X(9X3)X3
=
324
12
7/(4+3)X7
=
7
13
8+(2+4)-3
=
11
14
5X7-(7X2)
=
21
15
1X5X(2X1)
=
10