9% of 76 × 75 + 8% of 74 × 75 can be calculated simply

Original formula = (75 + 1) × 9 / 75 + (75-1) × 8 / 75
=75×9/75 + 1×9/75 + 75×8/75 -1×8/75
=9 + 9/75 + 8 - 8/75
=17 + 1/75
=17 and 1 / 75 (1276 / 75)

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