7:25+1/3:5/24-22/25 ___________________= (4.5+2/5):7/20

Question

7:25+1/3:5/24-22/25

___________________=

(4.5+2/5):7/20

Answer 1

7:25+1/3:5/24-22/25=7/25+8/5-22/25=1

4,5+2/5):7/20=(45/10+2/5):7/20=49/10:7/20=14

 

 

овет:1/14