Răspuns :
1. 18:2=9; 18:3=6; 18:6=3; 18:1=18. 2. 24:4= 6; 16:4=4; 32:4=8; 40:4=10; 36:4=9. 3. a) 49-42=7; 35-30=5; b) 1×7=7; 1×5=5; c) 3+4=7; 2+3=5; d) 70:10=7; 30:6=5. 4. Impartitorul : 72:9=8; 64:8=8; jumatatea catului: 8:2=4.
exercitiul 3 : 7-5 EGAL 2 B 7*5 EGAL 35 C 7+5 EGAL 12 12 IMPARTIT LA 2 EGAL 6 GATA !!!!!!!