Question

列解方程

Answer 1

解:设乙队每天开凿x千米 (12.6+x)×25=675 (12.6+x)×25÷25=675÷25 12.6+x=27 12.6+x-12.6=27-12.6 x=14.4

Answer 2

 

Answer 3

解设乙队每天开凿X米 25X12.6+25X=675

Answer 4

(12.6+x)×25=675

追答

12.6+x=27
x=14.4

Answer 5

12.6×25+25x=675