Asked by Alex
How can I work out the distribution law in mathematics
Answers
Answered by
oobleck
If you mean the distributive property, you an find many examples online.
a(b+c) = ab+ac
That is, you can do the addition first and then multiply the sum, or multiply each part and then add the products.
12(18+12) = 12*18 + 12*12
Now, 12*18 and 12*12 you may not be able to just do in your head, and then you still have to add 216+144=360.
But if you add the 18+12=30 first, then you just have 12*30. You know 12*3 = 36, so 12*30 = 360
a(b+c) = ab+ac
That is, you can do the addition first and then multiply the sum, or multiply each part and then add the products.
12(18+12) = 12*18 + 12*12
Now, 12*18 and 12*12 you may not be able to just do in your head, and then you still have to add 216+144=360.
But if you add the 18+12=30 first, then you just have 12*30. You know 12*3 = 36, so 12*30 = 360
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