3 3/25+1 3/4= 3 12/100+1 75/100=4 87/100
4 87/100÷2 5/10=487/250=1,948
(3,12+1,75):2,5=4,87:2,5=1,948
3 3/25+1 3/4= 3 12/100+1 75/100=4 87/100
4 87/100÷2 5/10=487/250=1,948
(3,12+1,75):2,5=4,87:2,5=1,948