8!-(4 1)7!+(4 2)6!-(4 3)5!+(4 4)4!
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heya mate..
Good morning.
8 - (4×1) × 7 + (4×2) × 6 - (4-3) × 5 + (4×4) × 4
= 8 - 4 × 7 + 8 × 6 - 1 × 5 + 16 × 4
= 8 - 28 + 48 - 5 + 64
= - 20 + 48 - 5 + 64
= 28 - 5 + 64
= 23 + 64
= 87.
hope it helps u ♡
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