a) a×b=125
b×c=56
a×c=70
a×(b+c)=195
(a-b)×c=14
a×b-a×c+1.2=56.2
b) a×b=25410
b×c=5602
a×c=14234.682
a×(b+c)=39644.682
(a-b)×c=8632.682
a×b-a×c+1.2=11176.518
c)a×b=10515
b×c=0.01725
a×c=0.32246
a×(b+c)=10.83746
(a-b)×c=0.30521
a×b-a×c+1.2=10515.87754
d) a×b=2.51
b×c= 0.79316
a×c=1.975
a×(b+c)=4.485
(a-b)×c=1.18184
a×b-a×c+1.2=1.735
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