Question

[5*4⁻⁷-6*16⁻³]:2⁻¹³=

Answer 1

[5*4⁻⁷-6*16⁻³]:2⁻¹³=
[5×2⁻¹⁴-3×2×2⁻¹²]×2¹³=
[5×2⁻¹⁴-3×2⁻¹³]×2¹³=
2⁻¹³[5×2-3]×2¹³=
5×2-3=
10-3=
7

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