2 years ago

Help help i will give brainliest please look at picture

2 answers:

4 0

Answer:

Your answer is right, it is 343cm

Step-by-step explanation:

$14 \times 21 = 294 \\ 28 - 21 = 7 \\ (7 \times 14) \div 2 = 49 \\ 294 + 49 = 343$

3 0

Answer:

Step-by-step explanation:

not completely sure that's right sorry if its Wong

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