A=1.7×10²-5²×2
=1.7×100-25×2
=170-50
=120
B=10×(-2)⁴+(3×2)²
=10×16+6²
=160+36
=196
C=x(-6)-3²
=×(-6)-3²
=(-1)×(-6)-9
=6-9
=-3
D=6×5+(-2)⁻³×80
=30+80/-8
=30-10
=20
Et voilà! :)
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A=1.7×10²-5²×2
=1.7×100-25×2
=170-50
=120
B=10×(-2)⁴+(3×2)²
=10×16+6²
=160+36
=196
C=x(-6)-3²
=×(-6)-3²
=(-1)×(-6)-9
=6-9
=-3
D=6×5+(-2)⁻³×80
=30+80/-8
=30-10
=20
Et voilà! :)