Four plowing have the same four workloads. The first team finished the job in four days, the second team in 10 days, the third team in 5 days, the for
Four plowing have the same four workloads. The first team finished the job in four days, the second team in 10 days, the third team in 5 days, the forth team in 16 days. How many machines( with the same capacity) do all four teams have, given that the first and second have more 7 … Đọc tiếp