Question

Answer 1

Bài 4: C

Bài 5: 

a: \(AH=835.92\cdot2:25.8=64.8\left(dm\right)\)

b: \(NP=238.76\cdot2:25.4=18.8\left(cm\right)\)

Bài 6: 

a: \(\dfrac{18.7}{44}=42.5\%\)

b: \(=37.6\cdot42.5\%=15.98\)

c: \(=1.3875:37.5\%=3.7\)

Answer 2

4. C

5. a, 64,8dm

b, 18,8cm

6. a, 42,5%

b, 15,98

c, 3,7