Current location - Training Enrollment Network - Mathematics courses - How to solve the second and third problems of the seventh kind of slightly complicated equations in the fifth grade mathematics exercise book of People's Education Press?
How to solve the second and third problems of the seventh kind of slightly complicated equations in the fifth grade mathematics exercise book of People's Education Press?
Solutions; (2) Assuming that X tons of coal are transported in the afternoon, x+( 14.6+x)=65.6 gives x=25.5.
(3) If the weight of the common wine glass used now is x grams, the weight of Siyang Fangzun is (2 120x+80) grams.