(2×7)+(4×8)=, 34, 46, 65, 26, (3×8)+(6×7)=, 66, 23, 59 , 45, (11×10)_(9×9)=, 25, 32, 29, 19, (4×5)+(2×9)-(4×8)=, 6, 8, 9, 3, (8×8)+(7×7)-(6×6)=, 66, 77, 88, 57, (7×6)+(5×6)_(2×9)=, 54, 60, 66, 56, (3×9)+(4×7)-(7×5)=, 19, 18, 20, 23, (8×6)_(6×3)+(7×2)=, 44, 49, 40, 46, (7×9)+(8×9)-(6×7)=, 93, 90, 91, 88, (13×10)+(6×9)-(4×9)=, 150, 148, 140, 145.
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Mental math 2
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