Question

scrie impartirile urmatoarelor scaderi si realizeaza proba prin operatia inversa impartirii:18-6-6-6=,40-8-8-8-8-8=,20-5-5-5-5=

Answer 1

18-6-6-6=0
18:6=3
3x6=18

40-8-8-8-8-8=0
40:8=5
5x8=40

20-5-5-5-5=0
20:5=4
4x5=20