Question

(13 - 1)² × [ √64 : 2³ + (81 : 3² -8).3]+6²

Answer 1

(13 - 1)² × [√64 : 2³ + (81 : 3² - 8) × 3] + 6² =
= 12² × [8 : 8 + (81 : 9 - 8) × 3] + 36 =
= 144 × [1 + (9 - 8) × 3] + 36 =
= 144 × [1 + 1 × 3] + 36 =
= 144 × [1 + 3] + 36 =
= 144 × 4 + 36 =
= 576 + 36 =
= 612

Answer 2

=12²x[√64:2³+(81:9-8).3]+6²=
=12²x[√64:2³+(9-8).3]+6²=
=12²x[√64:2³+1.3]+6²=
=12²x[8:8+3]+6²=
=12²x[1+3]+6²=
=12²x4+6²=
=144x4+36=
=576+36=
=612
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