10 + 10 x 100 + 10
= 10 x 1 + 10 x 100 + 10 x 1
= 10 x (1 + 100 + 1)
= 10 x 102
= 1020
10+10x100+10
=10x2+100x10
=20+1000
=1020
tk nhé
10 + 10 x 100 + 10
= 10 + 10 + 10 x 100
= 20 x 1000
= 20000
10 + 10 x 100 + 10
= 10 + 1000 + 10
= 1020 .
10 + 10 x 100 + 10
= 10 + 1000 + 10
= 1000 + 20
= 1020
10+10x100+10
=10x2+10x100
=20+1000
=1020
tk nhé STY
bam lam sai roi Sty oi, 10+10+10 nhan 1000= 20 + 1000 chu
tính nhanh
10 + 10 x 100 + 10
= 20x110
=2200
tích nha STY
10 + 10 x 100 + 10 = 10 + 1000 + 10
= 1010 + 10
= 1020
10 + 10 x 100 + 10
= 10 x 1 + 10 x 100 + 10 x 1
= 10 x (1 + 100 + 1)
= 10 x 102
= 1020