Question

Vă rog repede
Dau coroană ​

Answer 1

a)5/7÷...=10

5/7÷10=...

5/7÷10=5/7×1/10=5/70=1/14(simplificam prin 5)

b)...÷1/15=3/11

...=3/11×1/15=3/165=1/55(simplificam prin 3)

c)17 1/2÷...=3 1/2

35/2÷...=7/2

35/2÷7/2=...

35/2÷7/2=35/2×2/7=70/14=5

d)4 1/11÷...=1 4/11

45/11÷...=15/11

45/11÷15/11=...

45/11÷15/11=45/11×11/15=495/165=3

e)...÷14=5 1/7

...÷14=36/7

...=36/7×14=504/7=72

f)226/125÷...=339/125

226/125÷339/125=...

226/125÷339/125=226/125×125/339=226×125/125×339(simplificam prin 125)=226/339=2/3(simplificam prin 113)