Answer:
56ab, 20abc, 120pw, 2st^2
Explanation:
Top left
7*4*2*a*b
7*8*a*b
56ab
Top right
5*4*a*b*c
20abc
Bottom left
6*5*4*p*w
20*6*p*w
120pw
Bottom right
2*t*t*s
2*t^2*s
2st^2
7*b*4*a*2 = 56ba
c*5*b*4*a = 20cba
6*p*4*5*w = 120pw
t*2*t*s = 2t^2s
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