Which weighs a kilogram of cotton or a kilogram of iron? Our teacher said it's the same weight, but I don't think it's right. Think about it. If you put a kilogram of cotton on your hand and another kilogram of iron on your hand, which weight is iron. And the densities of the two are different

It feels like iron is heavy, but it's actually the same weight. Because iron has high density and the same mass, iron is small in volume. Because the air has buoyancy, iron is small in volume, and the buoyancy is small, so I feel that iron is heavier when I put it on my hand

A kind of iron wire weighs 1 / 2 meters and 1 / 3 kg. It weighs () kg per meter and is () m long per kilogram

3/2 2/3

A 12 meter iron wire weighs 13 kg. This kind of iron wire weighs 1 meter Kilogram, one kilogram long Rice

13 △ 12 = 23 (kg); 12 △ 13 = 32 (m); answer: this kind of iron wire weighs 23 kg per meter and is 32 meters long per kilogram

One half meter iron wire weighs one fifth of a kilogram, how many kilogram does one meter iron wire weigh, how many meters does one kilogram iron wire grow

A half meter iron wire weighs a fifth of a kilogram, a meter iron wire weighs two fifths of a kilogram, and a kilogram iron wire is five fifths of a meter long

A 4-meter-long wire weighs two fifths of a kilogram. How much does a 1-meter-long wire weigh? 2: how long is a 1-kilogram-long wire?
Relation

2 / 5 / 4 = 0.1 (kg) 4 / 2 / 5 = 10 (m)

Five sixths: 4, 10: one fourth, four Sevens: seven fourths, 3: two thirds, 4.5: 1.5, half: one third,
Six fifths: one sixth, 0.2: one and four fifths, 0.3:2, 1.2:2.1, 0.25:0.125

Five sixths: 4 = 5 / 6 * 1 / 4 = 5 / 24 = 5:24
10: Quarter = 10 * 4 = 40:1
Four out of seven: seven out of four = 4 / 7 * 4 / 7 = 16:49
3: Two thirds = 3 * 3 / 2 = 9:4
4.5：1.5=3:1
Half: one third = 1 / 2 * 3 = 3:2
Six fifths: one sixth = 6 / 5 * 6 = 36:5
0.2: one and four fifths = 1 / 5 * 5 / 9 = 1:9
0.3：2=3/10*1/2=3:20
1.2：2.1=12/21=4:7
I'm glad to answer for you,

The 2 / 3 meter long wire weighs 4 / 9 kg, the 1 meter long wire weighs () kg, and the 1 kg long wire is () M
The 2 / 3 meter long wire weighs 4 / 9 kg, the 1 meter long wire weighs () kg, and the 1 kg long wire is () M

Hello, Hanying wennuan is 4 / 9 ／ 2 / 3 = 2 / 3kg, 1kg wire weighs [two-thirds] kg, 2 / 3 ／ 4 / 9 = 3 / 2m, 1kg wire is [three-thirds] m. if you agree with my answer, please click the [adopt as satisfactory answer] button in time (or at the evaluation point [satisfactory] in the upper right corner of the client)

5 / 6 + 4x = 1 / 2 / 3 x + 5 / 16x = 7 / 8 2 / 5 + 5 / 6x = 9 / 10

Five sixths + 4x = half / one third x = 6 / 1
x+5/16x=7/8 x=2/3
2/5+5/6x=9/10 x=3/5

The average weight of the three objects is 31 kg, which is one kilogram lighter than the sum of the weights of the two objects
The average weight of the three objects is 31 kg. A is 1 kg lighter than the sum of the weights of B and C. B is 3 kg heavier than C. each of the three objects is heavy

The total weight is 31 × 3 = 93kg
A + 1 = B + C
A + A + 1 = a + B + C = 93
So a = 92 △ 2 = 46 kg
B = 2, C + 2
B + C = 3 C + 2 = 93-46 = 47
So C = (47-2) △ 3 = 15
B = 32

Three quarters of a number is half of five sixths. What's the number?
Find the formula!

5/6×1/2÷3/4
=5/12×4/3
=5/9

Which weighs a kilogram of cotton or a kilogram of iron? Our teacher said it's the same weight, but I don't think it's right. Think about it. If you put a kilogram of cotton on your hand and another kilogram of iron on your hand, which weight is iron. And the densities of the two are different