Question

9м 4 дм -3 м70 см ; 5 т 400 кг +26 ц ; 6 т 2 ц - 7 ц

Answer 1

1) 5 м 30 см 4 дм
2) 5 т 26 ц 400 кг
3) 5 т 5 ц

Answer 2

To perform the given arithmetic operations, let's first convert all measurements to the same unit and then proceed with the calculations.

1. 9м 4дм - 3м 70см: To subtract these lengths, we need to convert all units to centimeters (cm): 9m = 900cm 4dm = 4 * 10cm = 40cm 3m = 300cm 70cm = 70cm

Now we can perform the subtraction: (900cm + 40cm) - (300cm + 70cm) = 940cm - 370cm = 570cm

Therefore, 9м 4дм - 3м 70см is equal to 570cm.

2. 5 т 400 кг + 26 ц: To add these masses, we need to convert all units to kilograms (kg): 5 т (tonnes) = 5 * 1000 kg = 5000 kg 400 кг (kilograms) = 400 kg 26 ц (centners) = 26 * 100 kg = 2600 kg

Now we can perform the addition: 5000 kg + 400 kg + 2600 kg = 8000 kg

Therefore, 5 т 400 кг + 26 ц is equal to 8000 kg.

3. 6 т 2 ц - 7 ц: To subtract these masses, we need to convert all units to centners: 6 т (tonnes) = 6 * 10 ц = 60 ц 2 ц (centners) = 2 ц 7 ц (centners) = 7 ц

Now we can perform the subtraction: (60 ц + 2 ц) - 7 ц = 62 ц - 7 ц = 55 ц

Therefore, 6 т 2 ц - 7 ц is equal to 55 ц.