Answer:
1 9(2+4)^2-3
=9(6)^2-3
=9(36)-3
=324-3
=321
2 3^2 ÷(2+5-4)^2 +5
=3^2÷(3)^2+5
=9÷9+5
=1+5
=6
3 11-6(5-3)^2
=11-6(2)^2
=11-6(4)
=11-24
=-13
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Answer:
1 9(2+4)^2-3
=9(6)^2-3
=9(36)-3
=324-3
=321
2 3^2 ÷(2+5-4)^2 +5
=3^2÷(3)^2+5
=9÷9+5
=1+5
=6
3 11-6(5-3)^2
=11-6(2)^2
=11-6(4)
=11-24
=-13