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GarryVolchara [31]
3 years ago
6

1. Find the LCM of each group of the following(a) 12

Mathematics
1 answer:
Helen [10]3 years ago
3 0
A) using prime factorization (dividing with a prime factor until everything is a prime number, then multiplying the prime numbers by each other once), u can calculate their lcm

122=2x61
15=5x3
834=2x3x139

then multiply the prime factors once,
2x3x5x61x139= 254,370

b) i’m assuming that u solve the equation first bc u didnt put any commas

42-12-16=14
3-92+20=-69

do prime factorization
14=2x7
-69=-23x3

multiply the factors
-23x7x3x2=-966
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