小红用零花钱为某山区小朋友买了0·6的元一块和0·3元一块的水果糖共32块,一共花了13·2元这两种水果糖各买了多少块?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/21 20:03:48
![小红用零花钱为某山区小朋友买了0·6的元一块和0·3元一块的水果糖共32块,一共花了13·2元这两种水果糖各买了多少块?](/uploads/image/z/3611831-23-1.jpg?t=%E5%B0%8F%E7%BA%A2%E7%94%A8%E9%9B%B6%E8%8A%B1%E9%92%B1%E4%B8%BA%E6%9F%90%E5%B1%B1%E5%8C%BA%E5%B0%8F%E6%9C%8B%E5%8F%8B%E4%B9%B0%E4%BA%860%C2%B76%E7%9A%84%E5%85%83%E4%B8%80%E5%9D%97%E5%92%8C0%C2%B73%E5%85%83%E4%B8%80%E5%9D%97%E7%9A%84%E6%B0%B4%E6%9E%9C%E7%B3%96%E5%85%B132%E5%9D%97%2C%E4%B8%80%E5%85%B1%E8%8A%B1%E4%BA%8613%C2%B72%E5%85%83%E8%BF%99%E4%B8%A4%E7%A7%8D%E6%B0%B4%E6%9E%9C%E7%B3%96%E5%90%84%E4%B9%B0%E4%BA%86%E5%A4%9A%E5%B0%91%E5%9D%97%3F)
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小红用零花钱为某山区小朋友买了0·6的元一块和0·3元一块的水果糖共32块,一共花了13·2元这两种水果糖各买了多少块?
小红用零花钱为某山区小朋友买了0·6的元一块和0·3元一块的水果糖共32块,一共花了13·2元这
两种水果糖各买了多少块?
小红用零花钱为某山区小朋友买了0·6的元一块和0·3元一块的水果糖共32块,一共花了13·2元这两种水果糖各买了多少块?
A+B=32
0.6A+0.3B=13.2
A=12 B=20