Question

tính nhanh:

A=26+27+28+29+30+31+32+33

Answer 1

pé pun

Tính nhanh:

A= 26 + 27 + 28 + 29 + 30 + 31 +32 + 33

= ( 33 + 27 ) + ( 28  + 32 ) + ( 29 + 31 ) + ( 30 + 26 ) 

= 60 + 60 + 60 + 56

= 60 x 3 + 56

= 180 + 56

= 236

^^ Học tốt////

 

Answer 2

lớp 6 hả trời (xỉu rùi ) tui lớp 5

Answer 3

A= ( 26+ 33) +( 27+ 32) + ( 28+31) + ( 29+ 30

Answer 4

A = 26 + 27 + 28 + 29 + 30 + 31 + 32 + 33

A = (27 + 33) + (28 + 33) + (29 + 31) + 30 + 26

A = 60 + 60 + 60 + 30 + 26

A = 60 x 3 + 30 + 26

A = 180 + 30 + 26

A = 210 + 26

A = 236

Answer 5

A= ( 26+33 ) + ( 27 + 32 ) + ( 28 + 31 ) + ( 29 + 30 )

A=   59        + 59             + 59             + 59

A= 59 x 4

A= 236

Answer 6

A= 26 + 27 + 28 + 29 + 30 + 31 + 32 + 33

A = 26 + ( 27 + 33 ) + ( 28 + 32 ) + ( 29 + 31 )

A = 26 + 50 + 50 + 50

A=  26 + ( 50 x 3 )

A = 26 + 150

A=      276

   ~ tk mk nha ~

Answer 7

A = 26 + 27 + 28 + 29 + 30 + 31 + 32 + 33

A = 26 + ( 27 + 33 ) + ( 28 + 32 ) + ( 29 + 31 ) + 30

A = 26 + 60 + 60 + 60 + 30

A = 336

Answer 8

A = 26 + 27 + 28 +29 + 30 + 31 + 32 + 33

A = 26 + (27 + 33) + (28+ 32) + (29 +31)

A = 26 + 50 + 50 + 50

A = 276