32 + 67 + 68 + 113 + 20
= ( 32 + 68 ) + ( 67 + 113 + 20 )
= 100 + 200
= 300
32 + 67 + 68 + 113 + 20
= ( 32 + 68 ) + ( 67 + 113 ) + 20
= 100 + 180 + 20
= 100 + 200
= 300
32 + 67 + 68 + 113 + 20
= ( 32 + 68 ) + ( 67 + 113 ) + 20
= 100 + 180 + 20
= 280 + 20
= 300
k nha
32+67+68+113+20=(32+68)+(67+113+20)=100+200=300
32+67+68+113+20
= ( 32+68) + ( 67 + 113) + 20
= 100 + 180 +20
= 100 + 200
= 300
32+67+68+113+20
= (32+68)+(67+113)+20
= 100 + 180 + 20
= 100 + 200
=300
32 + 67 + 68 + 113 + 20
= (32 +68) + (67 + 113) + 20
= 100 + 180 + 20
= 100 + 200
= 300
32 + 67 + 68 + 113 + 20
= ( 32 + 68 ) + ( 67 + 113 ) + 20
= 100 + 180 + 20
= 100 + ( 180 + 20 )
= 100 + 200
= 300
32 + 67 + 68 + 113 + 20
= (32 + 68) + (67 + 113) + 20
= 100 + 180 + 20
= 300
tính thuận tiện
32+67+68+113+20 =
=(32+68)+(67+113)+20
=100+180+20
=300
32+67+68+113+20
=(32+68)+(113+20+67)
=100+200
=300
32+67+68+113+20
=(32+68)+(67+113)+20
=100+180+20
=300
Chúc bạn học giỏi nha!!!
K cho mik với nhé le nguyen kha anh
32+67+68+113+20 =(32+68) +(67+113) +20 = 100 + (80 + 20) = 100 +100 = 200
32 + 67 + 68 + 113 + 20
( 32 + 68 ) + ( 67 + 113 ) + 20
= 100 + 200 + 20
= 300 + 20
= 320
= (32+68) + (67+113) + 20
= 100 + 180 + 20
= 100 + (180+20)
= 300
=( 32 + 68 ) + ( 67 + 113 ) + 20
= 100 + 180 + 20
= 100 + (180 + 20)
= 100 + 200
= 300
32+67+68+113+20
=(32+68)+(67+113)+20
=100+180+20
=100+(180+20)
=100+200
=300
32 +67 +68 +113 + 20
=[32 +68] + [ 67 + 113 ] + 20
= 100 + 180 + 20
=100 + 200
= 300