혼합계산 : 레벨2
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혼합계산 : 레벨2
1
(5X9)-9/1
=
36
2
2X(1+9)-1
=
19
3
4+(1X1)X1
=
5
4
(7X3)-7+2
=
16
5
9+4-(1+9)
=
3
6
7X(7+1)+2
=
58
7
2X(7X1)X1
=
14
8
2/(5/5)X3
=
6
9
(1X1)-4+7
=
4
10
(4X7)-3X2
=
22
11
(4-1)+3X2
=
9
12
(7-6)X3/1
=
3
13
(2+7)X1/1
=
9
14
9X(7-4)/1
=
27
15
(3+5)X7/1
=
56