혼합계산 : 레벨2
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혼합계산: 레벨231
1
(3/1)X4/4
=
3
2
(9-5)+2-3
=
3
3
(6X4)-7X1
=
17
4
3+9-(7X1)
=
5
5
3+7+(7X3)
=
31
6
4+8X(7+1)
=
68
7
6+(9X2)-4
=
20
8
4/1+(2X4)
=
12
9
(5X3)X5+5
=
80
10
(3X2)+3+5
=
14
11
3+6+(5X2)
=
19
12
(3+5)+5X8
=
48
13
2+8-(1X2)
=
8
14
5X(4+1)-2
=
23
15
(8X1)+7X1
=
15