(16432+82528):4
=98960:4
=24740
(16432+82528):4
=16432:4+82528:4
=4108+20632
=24740
120:(8*5)
=120:40
=3
120:(8*5)
=120:8:5
=15:5
=3
(18*24):6
=432:6
=72
(18*24):6
=18*24:6
=432:6
=72
tinh bang 2 cach
a, ( 25 + 45 ) : 5
b, 24 : 6 + 36 : 6
1+2+3+4++5+6+7+8+9+10+11+12+13+14++15+16+17+18+19+20
Hoi tong tren bang bao nhieu (tinh nhanh va giai thich cach lam)
Tinh bang hai cach
5/24×5/12×24
Tinh Bang Hai Cach
(6/7-4/7):2/5 = ?
8/15 : 2/11 + 7/15 : 2/11=?
Tinh bang cach thuận tien 4+8+12+16+20+24+28????
tinh bang cach thuan tien nhat
1+2+3+4+5+6+7+8+9:9 =
tinh bang cach thuan tien nhảt
18*24:9
nhanh len to can gap
tinh bang cach thuan tien nhat
59/18 + 75/14 + 46/9 + 5/2 + 47/18 + 15/7
1+2-3+4-5+6-7+8-9+10...19+20 tinh nhanh bang bao nhieu giai thich cach lam
