혼합계산 : 레벨2
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혼합계산: 레벨221
1
1+2/(1X2)
=
2
2
6X1/(3/3)
=
6
3
4+(5-2)-4
=
3
4
(2+7)-2+2
=
9
5
7+(1+1)X9
=
25
6
2+6+(7+5)
=
20
7
6X5/(4-1)
=
10
8
(1+3)+6X3
=
22
9
(8-7)+5X7
=
36
10
7+(9+4)+5
=
25
11
(8-3)-3/3
=
4
12
(8X7)+3+3
=
62
13
7/(6-5)/1
=
7
14
2+5-(3X1)
=
4
15
9-(3-1)-6
=
1