43.l
36:9=36-9-9-9-9=4
21:3=21-3-3-3-3-3-3-3=7
80:10=80-10-10-10-10-10-10-10-10=8
66:11=66-11-11-11-11-11-11=6
72:9=72-9-9-9-9-9-9-9-9=8
100:10=100-10-10-10-10-10-10-10-10-10-10=10
30:6=30-6-6-6-6-6=5
56:8=56-8-8-8-8-8-8-8=7
44.
7×3=21
24:3=8
9×4=36
36:6=6
8×3=24
24:4=6
6×5=30
30:3=10
8×9=72
48:6=8
3×9=27
42:7=6
7×5=35
45:5=9
4×8=32
56:8=7
12:4×2=6
6×4:8=302
6×5:3=10
49:7×9=63
verificare prin operație inversa :
21:3=7
8×3=24
36:4=9
6×6=36
24:3=8
6×4=24
30:5=6
10×3=30
72:9=8
6×8=48
27:3=9
6×7=42
35:5=7
9×5=45
32:8=4
7×8=56
la celelalte nu știu poate o sa iti spun în comentari.
