Răspuns :
Răspuns:
A) 20:2=10
Proba: 2×10=20
18:3=6
Proba:6×3=18
45:5=9
Proba:9×5=45
21:7=3
Proba:3×7=21
B)7×6=42
Proba:42:7=6
9×4=36
Proba:36:9=4
8×3=24
Proba:24:8=3
6×9=54
Proba:54:9=6
Explicație pas cu pas:
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Răspuns:
A) 20:2=10
A) 20:2=1020:10=2
A) 20:2=1020:10=210x2=20
A) 20:2=1020:10=210x2=202x10=20
A) 20:2=1020:10=210x2=202x10=2018:3=6
A) 20:2=1020:10=210x2=202x10=2018:3=618:6=3
A) 20:2=1020:10=210x2=202x10=2018:3=618:6=36x3=18
A) 20:2=1020:10=210x2=202x10=2018:3=618:6=36x3=183x6=18
A) 20:2=1020:10=210x2=202x10=2018:3=618:6=36x3=183x6=1845:5=9
A) 20:2=1020:10=210x2=202x10=2018:3=618:6=36x3=183x6=1845:5=945:9=5
A) 20:2=1020:10=210x2=202x10=2018:3=618:6=36x3=183x6=1845:5=945:9=59x5=45
A) 20:2=1020:10=210x2=202x10=2018:3=618:6=36x3=183x6=1845:5=945:9=59x5=455x9=45
A) 20:2=1020:10=210x2=202x10=2018:3=618:6=36x3=183x6=1845:5=945:9=59x5=455x9=4521:7=3
A) 20:2=1020:10=210x2=202x10=2018:3=618:6=36x3=183x6=1845:5=945:9=59x5=455x9=4521:7=321:3=7
A) 20:2=1020:10=210x2=202x10=2018:3=618:6=36x3=183x6=1845:5=945:9=59x5=455x9=4521:7=321:3=73x7=21
A) 20:2=1020:10=210x2=202x10=2018:3=618:6=36x3=183x6=1845:5=945:9=59x5=455x9=4521:7=321:3=73x7=217x3=21
A) 20:2=1020:10=210x2=202x10=2018:3=618:6=36x3=183x6=1845:5=945:9=59x5=455x9=4521:7=321:3=73x7=217x3=21B) 7x6=42
A) 20:2=1020:10=210x2=202x10=2018:3=618:6=36x3=183x6=1845:5=945:9=59x5=455x9=4521:7=321:3=73x7=217x3=21B) 7x6=426x7=42
A) 20:2=1020:10=210x2=202x10=2018:3=618:6=36x3=183x6=1845:5=945:9=59x5=455x9=4521:7=321:3=73x7=217x3=21B) 7x6=426x7=4242:7=6
A) 20:2=1020:10=210x2=202x10=2018:3=618:6=36x3=183x6=1845:5=945:9=59x5=455x9=4521:7=321:3=73x7=217x3=21B) 7x6=426x7=4242:7=642:6=7
A) 20:2=1020:10=210x2=202x10=2018:3=618:6=36x3=183x6=1845:5=945:9=59x5=455x9=4521:7=321:3=73x7=217x3=21B) 7x6=426x7=4242:7=642:6=79x4=36
A) 20:2=1020:10=210x2=202x10=2018:3=618:6=36x3=183x6=1845:5=945:9=59x5=455x9=4521:7=321:3=73x7=217x3=21B) 7x6=426x7=4242:7=642:6=79x4=364x9=36
A) 20:2=1020:10=210x2=202x10=2018:3=618:6=36x3=183x6=1845:5=945:9=59x5=455x9=4521:7=321:3=73x7=217x3=21B) 7x6=426x7=4242:7=642:6=79x4=364x9=3636:9=4
A) 20:2=1020:10=210x2=202x10=2018:3=618:6=36x3=183x6=1845:5=945:9=59x5=455x9=4521:7=321:3=73x7=217x3=21B) 7x6=426x7=4242:7=642:6=79x4=364x9=3636:9=436:4=9
A) 20:2=1020:10=210x2=202x10=2018:3=618:6=36x3=183x6=1845:5=945:9=59x5=455x9=4521:7=321:3=73x7=217x3=21B) 7x6=426x7=4242:7=642:6=79x4=364x9=3636:9=436:4=98x3=24
A) 20:2=1020:10=210x2=202x10=2018:3=618:6=36x3=183x6=1845:5=945:9=59x5=455x9=4521:7=321:3=73x7=217x3=21B) 7x6=426x7=4242:7=642:6=79x4=364x9=3636:9=436:4=98x3=243x8=24
A) 20:2=1020:10=210x2=202x10=2018:3=618:6=36x3=183x6=1845:5=945:9=59x5=455x9=4521:7=321:3=73x7=217x3=21B) 7x6=426x7=4242:7=642:6=79x4=364x9=3636:9=436:4=98x3=243x8=2424:3=8
A) 20:2=1020:10=210x2=202x10=2018:3=618:6=36x3=183x6=1845:5=945:9=59x5=455x9=4521:7=321:3=73x7=217x3=21B) 7x6=426x7=4242:7=642:6=79x4=364x9=3636:9=436:4=98x3=243x8=2424:3=824:8=3
A) 20:2=1020:10=210x2=202x10=2018:3=618:6=36x3=183x6=1845:5=945:9=59x5=455x9=4521:7=321:3=73x7=217x3=21B) 7x6=426x7=4242:7=642:6=79x4=364x9=3636:9=436:4=98x3=243x8=2424:3=824:8=36x9=54
A) 20:2=1020:10=210x2=202x10=2018:3=618:6=36x3=183x6=1845:5=945:9=59x5=455x9=4521:7=321:3=73x7=217x3=21B) 7x6=426x7=4242:7=642:6=79x4=364x9=3636:9=436:4=98x3=243x8=2424:3=824:8=36x9=549x6=54
A) 20:2=1020:10=210x2=202x10=2018:3=618:6=36x3=183x6=1845:5=945:9=59x5=455x9=4521:7=321:3=73x7=217x3=21B) 7x6=426x7=4242:7=642:6=79x4=364x9=3636:9=436:4=98x3=243x8=2424:3=824:8=36x9=549x6=5454:6=9
A) 20:2=1020:10=210x2=202x10=2018:3=618:6=36x3=183x6=1845:5=945:9=59x5=455x9=4521:7=321:3=73x7=217x3=21B) 7x6=426x7=4242:7=642:6=79x4=364x9=3636:9=436:4=98x3=243x8=2424:3=824:8=36x9=549x6=5454:6=954:9=6
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