Determine each of the following sums using suitable rearrangement.
(a) 647 + 142 + 858 + 253=
(b) 211 +684 + 389 + 5816=
(c) 15209 + 378 + 791 + 122=
(d) 496+497+498+499+1+2+3+4=
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Determine each of the following sums using suitable rearrangement.
(a) 647 + 142 + 858 + 253=
(b) 211 +684 + 389 + 5816=
(c) 15209 + 378 + 791 + 122=
(d) 496+497+498+499+1+2+3+4=
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