EXERCISE 1.3
1. Estimde each of the following using general rule:
(a) 730 +998 (b) 796 - 314 (c) 12,904 +2,888 (d) 28.292 - 21,496
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Answer:
( A ) 730+998=1,728
( B ) 796-314=482
( C ) 12,904+2,888=15,792
( D ) 28,292-21,496=6,796
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