a)135+360+65+40
= ( 135 + 65 ) + ( 360 + 40 )
= 200 + 400
= 600
b)463+318+137+22
= ( 463 + 137 ) + ( 318 + 22 )
= 600 + 340
= 940
=600
=940
k mk nhé
...........ok
# chikute #
a) 135 + 360 + 65 +40
= 495 + 65 + 40
= 560 + 40
= 600
b) 463 + 318 + 137 + 22
= 781 + 137 + 22
= 918 + 22
= 940
Học tốt
\(135+360+65+40\)
\(=\left(135+65\right)+\left(360+40\right)\)
\(=200+400\)
\(=600\)
\(463+318+137+22\)
\(=\left(463+137\right)+\left(318+22\right)\)
\(=600+340\)
\(=940\)
a) 135 + 360 + 65 + 40 = ( 135 + 65 )+( 360 + 40 )
= 200 + 400
= 600
b) 463 + 318 + 137 + 22 = ( 463 + 137 )+( 318 + 22 )
= 600 + 340
= 940
a. 135 + 360 + 65 + 40
= ( 135 + 65 ) + ( 360 + 40 )
= 200 + 400 = 600
b. 463 + 318 + 137 + 22
= ( 463 + 137 ) + ( 318 + 22 )
= 600 + 340
= 940
a) 135 + 360 + 65 + 40 = 135 + 65 + 360 + 40
= 200 + 400
= 600
b) 463 +318 + 137 +22 = 463 + 137 + 318 + 22
= 600 + 340
= 940
Chúc bạn học tốt!
Thân!