1.设漫灌x吨.则
x + 2 5 % x + 1 5 % x = 4 2 0 0
x = 3 0 0 0
2 5 % ·3 0 0 0 = 7 5 0
1 5 % ·3 0 0 0 = 4 5 0
答:.
2.设前年10月生产x吨.则
2 x + 1 5 0 = 2 0 5 0
x = 9 5 0
答:.
1.设漫灌x吨.则
x + 2 5 % x + 1 5 % x = 4 2 0 0
x = 3 0 0 0
2 5 % ·3 0 0 0 = 7 5 0
1 5 % ·3 0 0 0 = 4 5 0
答:.
2.设前年10月生产x吨.则
2 x + 1 5 0 = 2 0 5 0
x = 9 5 0
答:.