혼합계산 : 레벨2
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혼합계산 : 레벨2
1
(2X2)-4+4
=
4
2
(9X5)-4-3
=
38
3
(6X9)+7-2
=
59
4
(1X7)-4-2
=
1
5
7+(4-1)X7
=
28
6
5X(9-3)X2
=
60
7
3/2X(6X7)
=
63
8
(3+3)X5+5
=
35
9
3/7X(3X7)
=
9
10
6+(3-2)+5
=
12
11
1+9+(5X2)
=
20
12
8X(6X3)-7
=
137
13
(3+2)+9X4
=
41
14
6X1+(2+4)
=
12
15
2X(2+3)-6
=
4