Estimate each of the following by rounding off each number to nearest tens: (a) 11963 – 9369 (b) 76877 – 7783
Estimate each of the following by rounding off each number to nearest tens:
(a) 11963 – 9369
(b) 76877 – 7783
(c) 10732 – 4354
(d) 78203 – 16407
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