Question

aflati numarul intreg n care verifica egalitatile 4 supra 9 < n supra 12 < 8 supra 15

Answer 1

[9;12;15]=180

80/180<15n/180<96/180

80<15n<96
15*5=75 nu convine
15*6=90 convine
15*7=105 , nu convine
deci
fractia este
90/180=1/2=6/12...n=6
se verifica pt ca 4/9<4/8=1/2
si 8/15>8/16=1/2

Answer 2

sper sa intelegi. seara faina.