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Find the lower bound of 52 × 86
Find the upper bound of 9.1 × 6.1
Find the lower bound of 11 × 23
Find the upper bound of 5.8 × 2.1
Find the lower bound of 7.6 + 6.8
Find the lower bound of 3.1 × 3.4
Find the lower bound of 6.8 × 4.9
Find the upper bound of 3.1 × 8.8
Find the upper bound of 41 × 34
Find the upper bound of 83 × 84
Find the upper bound of 5.4 × 7.3
Find the upper bound of 9.7 × 9.9
Find the upper bound of 9.3 × 1.6
Find the lower bound of 3.6 × 6.7
Find the lower bound of 1.8 × 3.5
Find the lower bound of 36 × 98
Find the lower bound of 49 × 62
Find the lower bound of 2.4 × 3.3
Find the lower bound of 4.9 × 6.1
Find the upper bound of 12 × 67
Find the lower bound of 6.3 × 1.4
Find the lower bound of 1.2 + 5.9
Find the upper bound of 1.4 × 4.7
Find the lower bound of 4.6 × 2.7
Find the lower bound of 6.9 × 7.9