Question

Tình nhanh:

a/136.75+75.64

b/2006.125+1000  /  126.2005-880

Answer 1

ạ) \(136.75+75.64=75.\left(136+64\right)=75.200=15000\)

b) \(\frac{2006.125+1000}{126.2005-880}=\frac{2005.125+125+1000}{125.2005+2005-880}=\frac{2005.125+1125}{125.2005+1125}=1\)

Answer 2

a) 136 . 75 + 75 . 64 

= 75 . ( 136 + 64 )

= 75 . 200

= 15 000