Question

Stiind ca a×b=15 si c=16,calculati a)(a×b)×c b)a×(b×c )

Answer 1

a | ____|

b |____|+1

1)15-1=14 (doua segmente egale)

2)14:2=7(a)

3)7+1=8(b)

(a×b)×c=

(7×8)×16=

=56×16

=896

a×(b×c)=

7×(8×16)=

=7×128

=896

Sper că te-am ajutat!