혼합계산 : 레벨2
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혼합계산: 레벨247
1
1X7X(2X5)
=
70
2
2X(6X8)+4
=
100
3
(7X6)+1-1
=
42
4
(4-2)X6-4
=
8
5
5X(7X9)-2
=
313
6
(9+4)-8+7
=
12
7
5X2-(5/1)
=
5
8
8+3-(5/1)
=
6
9
(9X2)X1-6
=
12
10
2X(4+1)/5
=
2
11
(3X4)+4-6
=
10
12
7-(6-1)+6
=
8
13
2X(4X9)+2
=
74
14
(5+2)X6/1
=
42
15
(3-1)+6+8
=
16