Tiriaq is making ornaments. They need 7 beads and 6 ribbons to make one ornament.
Beads ←
Ribbons <
Complete the double number line to show the other values of beads and ribbons.
Choose 1 answer:
Beads ←1
0 7
14 21 28
+→→
Ribbons ←

6
12
18 24
12
18
24
0 6
Beads个十十
Ribbons 个十
0

7 14 21 28



Answer :

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