혼합계산 : 레벨2
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혼합계산: 레벨220
1
(9+1)-5+7
=
12
2
4-(1+8)+7
=
2
3
5X(2X3)+9
=
39
4
3X(3X6)X1
=
54
5
(6+2)X6/4
=
12
6
2+(1X7)X4
=
30
7
(4+8)+1X9
=
21
8
8+(2X4)-2
=
14
9
1X(5+5)X2
=
20
10
(7X3)+4-6
=
19
11
8+7-(7+1)
=
7
12
1X7X(4X8)
=
224
13
(1+5)X1/1
=
6
14
(4+5)X3-1
=
26
15
3X3+(5+1)
=
15