1) 1 / 3 ton: 250 kg into the simplest integer ratio is () ratio is (). 2) 30% of a number is 7 / 10, 1% of this number/ 1) 1 / 3 ton: 250 kg, the simplest integer ratio is (), the ratio is () 2) 30% of a number is 7 / 10, and 1 / 7 of the number is () 3) Cut the 8 / 5 meter long rope into 5 sections, each section is () long, and each section accounts for () of the total length It's due tomorrow. It's urgent Come on! Experts write the process or explain it! It's hard!

1) 1 / 3 ton: 250 kg into the simplest integer ratio is () ratio is (). 2) 30% of a number is 7 / 10, 1% of this number/ 1) 1 / 3 ton: 250 kg, the simplest integer ratio is (), the ratio is () 2) 30% of a number is 7 / 10, and 1 / 7 of the number is () 3) Cut the 8 / 5 meter long rope into 5 sections, each section is () long, and each section accounts for () of the total length It's due tomorrow. It's urgent Come on! Experts write the process or explain it! It's hard!

4:3 4/3 1/3 8/25 1/5

6: Turn 18 into simple integer ratio and calculate ratio again

6:18
=（6÷6）:（18÷6）
=1:3
6:18
=6÷18
=1 / 3