Question

Exercitiul 13 Va rog ! dau 10 puncte si coronita​

Answer 1

Răspuns:

15+m/5=17/5

15+m=17

m=2

21+m/7=36/7

21+m=36

m=15

36+m=43

m=7

Answer 2

Explicație pas cu pas:

a) 3×5+m/5=17/5. 15+m/5=17/5=>m=17-15=2

b) 5×7+m/7=36/7. 35+m/7=36/7=>m=36-35=1

c) 7×3+m/3=25/3. 21+m/3=25/3=>m=25-21=4

d) 4×9+m/9=43/9. 36+m/9=43/9=>m=43-36=7