星星养殖场一天共收了480千克的鸡蛋和鸭蛋.每15千克装一箱,鸡蛋装了20箱,再准备10个箱子装鸭蛋够吗?
解:480÷15﹣20,
=32﹣10,
=12(箱),
12>10,
所以再准备10个箱子装鸭蛋不够;
答:再准备10个箱子装鸭蛋不够
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