一把直尺和一把小刀共1.9元,4把直尺和6把小刀共9元,每把直尺和每把小刀各多少元?

2025-12-14 02:50:20
推荐回答(1个)
回答1:

(9-1.9×4)÷2,
=(9-7.6)÷2,
=1.4÷2,
=0.7(元);
1.9-0.7=1.2(元);
答:每把直尺1.2元,每把小刀0.7元.