4+4
8
80-4
76
28x0
0
25%5
5
10+20
30
100-24
4x8
32
48%4
12
14+14
28
100-90
10
8x8
64
65%5
13
23+22
45
1,000-400
600
11x7
77
12%6
2
5+65+24
94
34-5-3
26
5x8= x4
1. 40
2. 160
45%5
9
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