|
199 ChickenLeg |
Name : _________________ |
||
|
There are 150 heads of Chickens and Dogs together. Altogether there are 520 legs. How many chickens are there? |
There are 200 heads of Chickens and Dogs together. Altogether there are 640 legs. How many chickens are there? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 199 40 80 40 90 140 ( 390 ) 80 80 80 80 80 ( 400 ) [[ 790 ]] | ||
|
|
||