Question
Add :
| $ $ |
$5 0$ | cm | $ $ |
$7 2$ | cm | $ $ |
$4 6$ | cm |
| $+$ | $4 0$ | cm | $+$ | $2 7$ | cm | $+$ | $3 8$ | cm |








____ strings of ten beads and ____ loose beads make ____ beads.
