혼합계산 : 레벨2
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혼합계산: 레벨219
1
1X(9+3)-2
=
10
2
(4X8)+6+5
=
43
3
2X(5-1)X3
=
24
4
7X(3+2)-4
=
31
5
1-6+(4X6)
=
19
6
3+2+(4+8)
=
17
7
(3-1)+3+3
=
8
8
7+(6+1)+5
=
19
9
3X9-(5-3)
=
25
10
(8+3)-3-3
=
5
11
(8+7)X2+4
=
34
12
7+(6-4)X4
=
15
13
(3X7)+2+8
=
31
14
6-9+(8/1)
=
5
15
(3X5)X1+5
=
20