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1.
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Select the most reasonable estimate. 499 6 = a
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2.
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Select the most reasonable estimate. 256 4 = b
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3.
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Select the most reasonable estimate. 281 4 = c
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4.
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Select the most reasonable estimate. 349 8 = d
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5.
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Select the most reasonable estimate. 736 8 = e
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6.
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Select the most reasonable estimate. 436 v = 70
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7.
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Select the most reasonable estimate. 51 v = 10
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8.
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Select the most reasonable estimate. 448 w = 50
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9.
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Select the most reasonable estimate. 631 x = 80
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10.
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Select the most reasonable estimate. 414 v = 60
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