Question

tinh nhanh -54*76+12*(-76)-76*(-34) 

Answer 1

\(-54.76+12.\left(-76\right)-76.\left(-34\right)\)

\(=54.\left(-76\right)+12.\left(-76\right)-\left(-76\right).34\)

\(=-76.\left(54+12-34\right)\)

\(=-76.32\)

\(=-2432\)

Answer 2

-54*76+12*(-76)-76*(-34)

=(-4104)+(-912)-(-2584)

=-2429

k cho mk nhé

Answer 3

(-54).76 + 12.(-76) - 76.(-34)

= (-54).76 + (-12).76 - 76.(-34)

= [(-54) + (-12) - (-34)].76

= (-32).76

= -2432