Page 139 - New Medley 4 Semester 1
P. 139
Let A be any number then:
A – 0 = A
Property 2: Let us subtract 315874 from 315874.
315874 – 315874 = 0
We get 0
When a number is subtracted from the same number,
the difference is 0 (zero).
Let A be any number then
A – A = 0
EXERCISE 2.7
Fill in the blanks.
1. 32552 – 0 = 2. 47142 – 0 =
3. 576441 – = 576441 4. 64175 – = 64175
5. – 0 = 77814 6. 842842 – 842842 =
7. 97456 – 97456 = 8. 87410 – 87410 =
9. 712776 – = 0 10. 27214 – = 0
11. – 32589 = 0 12. – 467241 = 0
Estimating Difference
Mr. Mani visited a computer showroom.
He wants to buy a computer.
The computer is listed at ` 72,587.
He decides to buy it.
He decides to pay by using his credit card.
He wishes to estimate the credit available to him after this purchase.
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