if 23×31=59 and 11×33=54 then 42×52=?
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Answer:
42×52=2,184
Step-by-step explanation:
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Answered by
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Step-by-step explanation: here is your answer -
you can write 52 as 50+2 and 42 as 40+2
(40+2)(50+2)
= 40(50+2)+2(50+2)
= 2000+80+100+4
= 2100+84
=2184
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