Question

calculeaza de cate ori se repeta 6 in fiecare exemplu.1×6+2×6+3×6=□×6; 9×6+1×6=□□×6; 100×6-1×6=□□×6.

Answer 1

1*6+2*6+3*6=6*(1+2+3)=6*6
9*6+1*6=6*(9+1)=6*10=10*6
100*6-1*6=6*(100-1)=6*99=99*6