Answer:
8x(5-3)x4=8x2x4=16x4=64
Explanation:
(Trials)
(8x5)-3x4= 40-3x4=40-12-28 (nope)
8x5-(3x4)=8x5-12=40-12=28 (nope)
8x(5-3)x4=8x2x4=16x4=64 (yep)
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