(1)甲:乙=5:4 甲:丙=3:4
(2)16÷(5-3)×(3+5)
=16÷2×8
=8×8
=64(吨)
这批化肥共64吨.
(3)9×2÷(5-2)
=18÷3
=6(kg)
6×5=30(kg)
6×2=12(kg)
甲桶原来有30千克油,乙桶原来有12千克油.
(1)甲:乙=5:4 甲:丙=3:4
(2)16÷(5-3)×(3+5)
=16÷2×8
=8×8
=64(吨)
这批化肥共64吨.
(3)9×2÷(5-2)
=18÷3
=6(kg)
6×5=30(kg)
6×2=12(kg)
甲桶原来有30千克油,乙桶原来有12千克油.