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Who started this math problem, it is necessary to use a dollar an equation, to a clear problem-solvi

yuanan77982010-01-25 01:01:48 +0000 #1
(1) canteen there are a number of coal, the original burned 3 tons per day, spent 15 tons, the alterations, coal consumption by half, with results that burned for 10 days, seeking the amount of the original stored coal.

(2) Xiao-Ming basketball game 24 in a 14-hit, scored 28 points, one-third of the ball four shots, then Xiao-Ming shots in two minutes how many balls? How many free throws hit the ball? (Free throw hit a one point)

(3) a worker within the specified time originally planned processing of a number of parts, if the processing of 10 parts per hour, they can be completed over three, if the processing of 11 per hour, they can advance one hour to complete. Q. How many of these parts? How long will be completed as originally planned?
playpk112010-01-25 01:10:46 +0000 #2
45

title wrong

103,10

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