October 2021 0 11 Report
1) 2 года 45 сут. – 587 сут. = 775
сут. – 587 сут. =
188
сут.
2) 5 ч 20 мин : 4 =?

мин : 4 =
80
мин
3) 3 мин 50 с · 3 =
?с · 3 =
690
с
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