1) 50 + 90 = + 50: 2) 7 x (25 + 5) = (7 x 25) + (7 x 3) (10 + 15) + 20 = 10 +( 4) (8 x x 9 = x (5 x 9): 5) 50 + 25 + 15 = 15 + + 50:

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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write the missing number 

1) 50 + 90 = + 50:
2) 7 x (25 + 5) = (7 x 25) + (7 x
3) (10 + 15) + 20 = 10 +_
4) (8 x x 9 = _x (5 x 9):
5) 50 + 25 + 15 = 15 +
+ 50:
Transcribed Image Text:1) 50 + 90 = + 50: 2) 7 x (25 + 5) = (7 x 25) + (7 x 3) (10 + 15) + 20 = 10 +_ 4) (8 x x 9 = _x (5 x 9): 5) 50 + 25 + 15 = 15 + + 50:
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