a) 136.41+82.32 =136.41 +41.2.32 =136.41+41.64 =41.(136+64)=41.200 =8200
b) 36.28+36.82+64.69+64.41 = 36.(28+82)+ 64.(69+41)=36.110+64.110=110.(36+64) =110.100=11000
36.28+36.82+64.69.+64.41
36.28+36.82+64.69+64.41
Tính nhanh: 36.28 + 36.82 + 64.69 + 64.41
1. TÍNH NHANH:
36.28+36.82+64.69+64.41
36.28+36.82+64.69+64.41
a)2.31.12+4.6.42+8.27.3
b)36.28+36.82+64.69+64.41
a) 2.31.12+4.6.42+8.27.3
b)36.28+36.82+64.69+64.41
Tính nhanh:
a)2.31.12+4.6.42+8.27.3
b)36.28+36.82+64.69+64.41
Tính nhanh
a:2.31.12+4.6.42+8.27.3
b:36.28+36.82+64.69+64.41
