혼합계산 : 레벨2
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혼합계산 : 레벨2
1
9X(5X1)-7
=
38
2
2X(9X1)X5
=
90
3
3X(3+7)X5
=
150
4
1X9X(4/1)
=
36
5
8X6/(3+5)
=
6
6
(5X2)X2/5
=
4
7
1X(3+1)+7
=
11
8
(2X2)-1X1
=
3
9
9/1+(2X5)
=
19
10
1+8-(5-1)
=
5
11
3X9+(5+5)
=
37
12
6X(5+7)X6
=
432
13
5X2+(3+1)
=
14
14
2+(9+7)-5
=
13
15
(6X3)-4+3
=
17