Add 3 numbers
853 + 16 + 11 =
880
684 - 500 - 84 =
100
2 ⋅ p = 20
p = 10
9, 10, 11, 12, ...,
13
60 sec = ___ min
1 min
106 + 24 + 470 =
500
258 - 150 - 2 =
106
k ⋅ 8 = 24
k = 3
9, 14, 19, 24, ...,
29
120 sec = ___ min
2 min
852 + 71 + 70 =
993
488 - 357 - 13 =
118
12 ⋅ m = 60
m = 5
8, 16, 24, ...
32
10 min = ___ sec
600 sec
154 + 154 + 457 =
765
727 - 539 - 165 =
23
a ⋅ 9 = 63
a = 7
..., 26, 36, 46
16
360 sec = ___ min
6 min
448 + (366 + 153) =
967
243 - (115 - 48) =
176
6 ⋅ s = 48
s = 8
..., 78, 83, 88, 93
73
540 sec = ___ min
9 min