Question

2)12 ore 20 min 15s-20min 20 s= s?
3)56min 15s- 20min 20s=s?
4)15 ani=? luni=? zile=?
5)3ore 30 min 16 s=min? s?​

Answer 1

1. 12 h 20 min 15 s -20 min 20 s=11 h 59 min 55 s

11*3600s+59*60s+55s=39600+3540+55s=43195s

2. 56 min 15 s-20 min 20 s=35 min 55 s

35*60s+55s=2100s

3.

180 luni

4 .12616 s 210,26 min

sper ca te-am ajutat .coroana?