Question

2 intregi 4 supra 5 :4

21:7supra 3

4supra 3 :5

va rogggggggggg repede dau corona ​

Answer 1

Răspuns:

2 intregi 4 supra 5 :4

2 4/5 :4

=(2×5+4)/5:4

=14/5:4

=14/5×1/4

=14/20

=7/10

21:7supra 3

21:7/3

=21×3=7

=21/7×3

=3×3

=9

4supra 3 :5

4/3:5

=4/3×1/5

=4/15