Toán Lớp 6: Thực hiện phép tính a) 15 – 26 b) (-20) – 14 c) (-14) + (-24) d) 45 + (-76) e) 13 – (-13) f) (-75) – (-65) g) 28 + (-86) h) – (-24)

Question

Toán Lớp 6:  Thực hiện phép tính a) 15 – 26  b) (-20) – 14  c) (-14) + (-24)  d) 45 + (-76) e) 13 – (-13) f) (-75) – (-65) g) 28 + (-86) h) – (-24) + 36 k) – (-19) – 35

thanhmaianh · Answer

a)15&minus;26=&minus;11   b)(&minus;20)&minus;14=&minus;34   c)(&minus;14)+ (&minus;24)=&minus;38   d)45+(&minus;76)=&minus;31   e)13&minus;(&minus;13)=26   f)(&minus;75)&minus;(&minus;65)=&minus;10   g)28+(&minus;86)=&minus;58   h)&minus;(&minus;24)+36=60   k)&minus;(&minus;19)&minus;35=&minus;16

catlantuong · Answer

a) 15 - 26   = - 11   b) ( - 20 ) - 14   = - 34   c) ( - 14 ) +  ( - 24 )   = - 38   d) 45 + ( - 76 )   = 45 - 76   = - 31   e) 13 - ( - 13 )   = 13 + 13   = 26   f) ( - 75 ) - ( - 65 )   = - 75 + 65   = - 10   g) 28 + ( - 86 )   = 28 - 86   = - 58   h) - ( - 24 ) + 36 )   = 24 + 36   = 60   k) - ( - 19 ) - 35   = 19 - 35   = - 16