23 × (99 + 1) = 23 × 99 + 23______ ．

23 × (99 + 1) = 23 × 99 + 23______ ．

23 × 99 + 23, = 23 × (99 + 1), = 23 × 100, = 2300. Therefore, 23 × (99 + 1) = 23 × 99 + 23, the applied operation law is the law of multiplicative distribution

Find the rule negative 2 negative 5 negative 11 negative 23 -- calculate (1-2) (2-3) ········· (99-100) 24 point red
Find the law negative 2 negative 5 negative 11 negative 23————————
Calculation (1-2) (2-3) ··········· (99-100)
24 o'clock hearts 3 spades 6 diamonds 4 diamonds 10
24 o'clock hearts 3 spades 5 clubs 11 diamonds 7
If the rational numbers a and B are opposite to each other, the value of 5a-2 + 5b is——
By measuring the height of a classmate as 1.65m, this measurement value means that the accurate value h of the classmate's height meets -——————
Find the value of 1-2 + 3-4 + 5-6 ········· + 2009-2010

-2-3=-5
-5-6=-11
-11-12=-23
-23-24=-47
-47-48 = - 95, I hope you can understand

What are the operation laws of 12.5 * 88 57 * 9.9 + 5.7 12.5 * 23 * 16 101 * 99 + 1?

12.5 * 88 = 12.5 * 8 * 11 = 100 * 11 = 1100 looks like the law of distribution by multiplication, so the solution of any law is not 57 * 9.9 + 5.7 = 57 * 9.9 + 57 * 0.1 = 57 * (9.9 + 0.1) = 57 * 10 = 570, the law of combination by multiplication is 12.5 * 23 * 16 = 12.5 * 8 * 2 * 23 = 100 * 46 = 4600 101 * 99 + 1 = (100 + 1) * 99 + 1 = 9900 + 99 + 1 = 10000