혼합계산 : 레벨2
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혼합계산: 레벨210
1
2X6X(7-2)
=
60
2
4+3+(1X5)
=
12
3
9+2+(6-5)
=
12
4
3X(1+2)X9
=
81
5
1-(6/6)+1
=
1
6
9+(4X2)-2
=
15
7
(3+5)/1-1
=
7
8
(3X4)+3+3
=
18
9
2/3X(5X6)
=
20
10
1X5+(6/2)
=
8
11
(5+5)-2+1
=
9
12
(2/1)X4X6
=
48
13
4-1+(8+9)
=
20
14
(4-3)+1X2
=
3
15
8/2/(1X4)
=
1