(2√10+√10)×(7√10+2√10)
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Answered by
1
Step-by-step explanation:
(2√10×7√10) +(2√10×2√10) +(√10×7√10)+(√10×2√10)
=140+40+70+20
=270
Answered by
0
Answer:
glork
Step-by-step explanation:
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