혼합계산 : 레벨2
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혼합계산: 레벨212
1
(9+8)+1X5
=
22
2
(3+2)X3-6
=
9
3
2+(4+8)-7
=
7
4
4+2X(7+3)
=
24
5
3X(1+9)-5
=
25
6
4X9X(5X4)
=
720
7
1+5X(1+3)
=
21
8
5X2-(7-5)
=
8
9
(3X2)X1+7
=
13
10
5X(4+5)+2
=
47
11
(6X9)X2/2
=
54
12
(2+4)-2+8
=
12
13
(4X9)/2X5
=
90
14
(8+9)-1+3
=
19
15
3+5X(1+1)
=
13