Toán Lớp 6: a) −???? − ???????? b) ???? + (−????????) ) −???? − ???????? + (−????????) − ????9 d) −???? + ???????? e) −???? − ???????? f) ???????? − ???????? − ???????? − (−????????)

Question

Toán Lớp 6:  a) −???? − ???????? b) ???? + (−????????) ) −???? − ???????? + (−????????) − ????9 d) −???? + ???????? e) −???? − ???????? f) ???????? − ???????? − ???????? − (−????????)

landinhngoc97 · Answer

Giải đáp:      tus đ&atilde; bổ sung c&acirc;u c chứ ko phải mik ch&eacute;p     Lời giải và giải thích chi tiết:     a) -3 - 18     = -3 + (-18)     = -( 3 + 18 )     = -21     b) 5 + (-11)     = -( 11-5 )       = -6     c) -2 - 13 + (-14) - 19     = -2 + (-13) + (-14) + (-19)     = -( 2 + 13 + 14 + 19 )       = -48     d) -3 + 12     = -3 + (-12)     = -( 12 - 3 )     = -9     e) -9 - 13     = -9 + (-13)     = -( 9 + 13 )     = -22     f) 17 - 11 - 14 - (-39)     =17-11-14+39     =(17+39)-(11+14)     = 56-25     = 31

maitrucloan · Answer

a) -3-18 = - ( 3 + 18 ) = -21   b)  ???? + (&minus;????????) ) &minus;???? &minus; ???????? + (&minus;????????) &minus; ????9 = 5 - 11 - 2 - 13 - 14 - 19 = -54     d) &minus;???? + ???????? = 9     e) &minus;???? &minus; ???????? = - ( 9 + 13 ) = -22     f) ???????? &minus; ???????? &minus; ???????? &minus; (&minus;????????) = 17 - 11 - 14 + 39 = 31     Ta c&oacute; trừ trừ = cộng     cộng trừ = trừ