8 points 5:4 reduction ratio

8 points 5:4 reduction ratio


8:5:4
=5/8*1/4
=5/32



Simplification (1) √ 18 (2) 3 √ 3 - √ 75 (3) (√ 20 + 5) / 5 - √ 2 (4) √ (49 × 121)


(1)√18 =3√2
(2)3√3-√75 =3√3-5√3=-2√3
(3)(√20+√5)/√5-√2
=(√20+√5)(√5+√2 )/【(√5-√2 )(√5+√2)】
=(10+5+√40+√10)/3
=(15+3√10)/3
= 5+√10
(4)√(49×121)=77



Simplification: 5 / 7
And find the ratio


4 out of 5: 5 out of 7
=4/5 :5/7
=28/25
The ratio was 28:25



Simplification ratio of 5 / 6:3 / 8


5 out of 6 times 8 out of 3 equals 20 out of 9, which is 2 out of 9