please answer these questions i will mark you as the brainliest
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1.
[(2)-¹+(4)-¹+(3)-¹]-¹ = [1/2+1/4+1/3]-¹
= [ (6+3+4)/12]-¹
= (13/12)-¹
= 12/13
2.
[4-¹-(5)-¹×(5/8)-¹]-¹=[1/4-(1/5)(8/5) ]-¹
= [ 1/4 - 8/25] -¹
= [(25-32) / 100]-¹
= (-7/100)-¹
= -100/7
3.
[4^0+4²-2³]×3-² = [1+16-8] × 1/9
= 9 (1/9)
= 1
4.
[(5)²-(1/4)-²]×(3/4)-² = [25-16]×16/9
= 9(16/9)
= 16
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