👤
Deadred513
a fost răspuns

23 supra 31 × [1 supra 4 + ( 2 1supra2 - 7 supra 4 ) : 7 supra 8​

Răspuns :

Ella4521

Explicație pas cu pas:

23/31×[1/4+(2 1/2-7/4)]÷7/8=

=23/31×[1/4+(5/2-7/4)]÷7/8=

=23/31×[1/4+(10/4-7/4)]-7/8=

=23/31×(1/4+3/4)÷7/8=

=23/31×4/4÷7/8=

=23/31×1×8/7=

=23/31×8/7=

=23×8/31×7=

=184/217

Alte intrebari