小红用零花钱为某山区小朋友买了0.6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:2024/07/04 00:18:20
![小红用零花钱为某山区小朋友买了0.6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/3611832-24-2.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%860.6%E5%85%83%E4%B8%80%E5%9D%97%E5%92%8C0.3%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%8613.2%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)
小红用零花钱为某山区小朋友买了0.6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?
假设全是0.6元的糖
32×0.6=19.2(元)
19.2-13.2=6(元)
每块糖相差:
0.6-0.3=0.3(元)
0.3元的糖有:
6÷0.3=20(块)
0.6元的糖有:
32-20=12(块)