A, 65, 46 x 1,2 + 33,54 x 1,2 + 1,2………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………B, (1 /4- 0,5 x 0,5) : ( 8,1 + 9,1 + 10,1 +..................+...
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A, 65, 46 x 1,2 + 33,54 x 1,2 + 1,2
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B, (1 /4- 0,5 x 0,5) : ( 8,1 + 9,1 + 10,1 +..................+ 20,1)
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A) 65,46 x 1,2 + 33,54 x 1,2 + 1,2
= 1,2 x ( 65, 46 + 33,54 + 1 )
= 1,2 x 100
= 120
65, 46 x 1,2 + 33,54 x 1,2 + 1,2
=65, 46 x 1,2 + 33,54 x 1,2 + 1,2 ×1
= 1,2 ×(65,46+33,54+1)
=1,2×100=120