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without directly multiplying evaluate the following

a) 0.99 x 0.99

b) 0.64 x 0.64-0.36 x 0.36

c) 1.54 x 1.54+ 2 x 1.54 x 1.46 + 1.46 x 1.46

d) __3.53 x 3.53-3.47x3.47__

0.06

__e)__ __ 6.82 x 6.82-1.18 x 1.18__

5.64

2
by trishu

the largest 5 digit no is 99999. when it is divided by 8 it leaves a remainder 7. but we need remainder as 5.so reduce 2 (7-5) from 99999. ie,99997 is the largest 5 digit no which when divided by 8 leaves a remainder 5 and which when divided by 7 leaves a remainder 2.

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