1. 77 cm
77 cm is their total length
To get the length add both cm
2. 9 cm
Subtract both number to get the difference
Step-by-step explanation:
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Answer :
1. 77 cm
77 cm is their total length
Solution :
To get the length add both cm
34 + 43 = 77 cm
2. 9 cm
9 cm is the different in their length
Solution :
Subtract both number to get the difference
Step-by-step explanation:
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