Sec - B
a ) Using appropriate property
3
x
X 시 X
5
2
Two numbers are in the
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2
Answer:
-0.5
Step-by-step explanation:
= - (2/3 × 3/5) - (3/5 × 1/6)
(a/b)×(c/d) = (a×c)/(b×d)
= - [(2×3)÷(3×5)] - [(3×1)÷ (5×6)]
= - (6/15) - (3/30)
= - 2/5 - 1/10
= - 4/10 - 1/10
= (-4-1)/10
= -5/10
= -1/2
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