Question

1)32мин26сек-18мин39сек. 2)20м14см-18дм66см.

Answer 1

13мин 47 сек
20м14см-180см66см=2014см-246см=1768см= 17дм68см

Answer 2

1.13минут 47 секунд
2.17 дм. 68 см.

Answer 3

To perform the calculations, we need to convert all measurements to a consistent unit. Let's work with minutes and seconds for the first calculation and centimeters for the second calculation.

1. 32 minutes 26 seconds - 18 minutes 39 seconds:

Step 1: Convert both times to seconds. 32 minutes = 32 * 60 = 1920 seconds 26 seconds = 26 seconds

18 minutes = 18 * 60 = 1080 seconds 39 seconds = 39 seconds

Step 2: Subtract the seconds. Total seconds = (1920 + 26) - (1080 + 39) = 1946 - 1119 = 827 seconds

Step 3: Convert back to minutes and seconds. 827 seconds = 13 minutes and 47 seconds

So, 32 minutes 26 seconds - 18 minutes 39 seconds = 13 minutes 47 seconds.

2. 20 meters 14 centimeters - 18 meters 66 centimeters:

First, let's make sure the second measurement is written correctly. 18 meters 66 centimeters doesn't make sense, as there are 100 centimeters in a meter, and you can't have more than 99 centimeters in a meter.

Assuming you meant 18 meters 66 centimeters as 18 meters and 66 centimeters, the calculation would be:

Step 1: Convert both lengths to centimeters. 20 meters = 20 * 100 = 2000 centimeters 14 centimeters = 14 centimeters

18 meters = 18 * 100 = 1800 centimeters 66 centimeters = 66 centimeters

Step 2: Subtract the centimeters. Total centimeters = (2000 + 14) - (1800 + 66) = 2014 - 1866 = 148 centimeters

So, 20 meters 14 centimeters - 18 meters 66 centimeters = 148 centimeters.