👤
Iancudiana28
a fost răspuns

Ajutati-ma va rog! E urgent!
a) 1 supra 15 + minus 5 supra 6 + 1 supra 9

b) 11 supra 8 + 2 intregi 1 supra 3 - (1 intreg 3 supra 8+ 7 supra 3)

Răspuns :

Meryistrate
a) 1/15+(-5/6)+1/9=
1/15-5/6+1/9=
54/810-135/810+90/810=9/810
b)  11/8+7/3-(11/8+7/3)=
11/8+7/3-(33/24+56/24)=
11/8+7/3-89/24=
33/24+56/24-89/24=0

Alte intrebari