Cách 1 : 36 x 11
= 396
Cách 2 : 36 x 11
= 36 x 10 + 36 x 1
= 360 + 36
= 396
tinh bang hai cach:
36x11=361
36x11=36x10+1
=360+1=361
36 x 11
= 396
do la cch 1
cach 2
36 x 11
=36 x 10 + 36 x1
=260 + 36
= 396
k nha
Cách 1 : 36 x 11
= 396
Cách 2 : 36 x 11
= 36 x 10 + 36 x 1
= 360 + 36
= 396
tinh bang hai cach:
36x11=361
36x11=36x10+1
=360+1=361
36 x 11
= 396
do la cch 1
cach 2
36 x 11
=36 x 10 + 36 x1
=260 + 36
= 396
k nha
tinh bang hai cach (27.108):9=
tinh bang hai cach : {3/4+1/2}*5/7
tinh gia tri bieu thuc bang hai cach 347535:45
Tinh bang hai cach
5/24×5/12×24
tinh bang hai cach a)3/4 x 1/2 x 2
cach 1 : .....................................................
cach 2 : .....................................................
b) (3/4 + 1/2) x 5?7
cach 1 : .................................................................
cach 2 : .................................................................
choi hoi
tinh bang hai cach
2205 : (35 x 7)
tinh bang hai cach
a( 342 + 158 ) * 14
b(726 +426 ) * 15
(2phan 3 nhan 4 phan 5 )nhan 5 phan 6
tinh bang hai cach
tinh bang hai cach
3/5 x 7/21 + 7/21 x 2/5