20 divided by 5
4
15 - 7
8
7 x 2
14
5 + 5
10
6 - ( x + 7) + 4x = 6 + 8 =
448 divided 28
16
52 - 35
17
578,101 - 194,129
383,972
7,578 x 506
3,834,468
8,067 + 6,243
14,319