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estimate 17.8 x 9.9
approximate
inverse operation
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1800
estimate
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approximation of a number or amount, based on a calculation with rounded numbers
approximate
inverse operation
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round to a number to a suitable degree of accuracy
approximate
inverse operation
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estimate 13 + 47
approximate
inverse operation
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estimate 239.8 x 47.64
approximate
inverse operation
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estimate 63 x 28
approximate
inverse operation
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the operation that reverses the effect of another
approximate
inverse operation
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estimate 44.5 -23.7
approximate
inverse operation
10 000
1800
estimate
20
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60
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