600 - 150 = 450
That's not possible... * * * * * How about -5 and 25?
6,985
The sum of 75 and 75.
30 and 45
The numbers are 30 and 20.
The two numbers are 25 and 15
20 + 10 = 30 20 x 10 = 200 200 - 30 = 170 Your answer is 170.
600 - 150 = 450
That's not possible... * * * * * How about -5 and 25?
6,985
20
46.78-18.55 and estimate each sum or difference = 28.23
The product of a sum and a difference with 31 times 29 is:(30+1) x (30-1)sum to differencemakea product= 30² - 1²= 900 - 1= 899
20 and 30.
The sum of 75 and 75.
The answer is -30.