Question

(ix) 3 (4 + 7) + {5 x 1 x 4 = 2+2 (4-2)}​

Answer 1

Answer:

Step-by-step explanation:

We know

Supplement angle=180degree

2/3of its supplement angle

2/3 by 180degree

Answer 2

Answer:

3(4+7)+{20=4*2}

3*11+{20=8]

33+(20-8=0)

33+(12=0)

33+12=0

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