3/4 + 5,67 + 4,33 + 25% =0,75 + 5,67 +4,33 +25/100 =6.42 + 433/100 + 1/4 =43/4 + 1/4 =11
3/4 + 5,67 + 4,33 + 25% =0,75 + 5,67 +4,33 +25/100 =6.42 + 433/100 + 1/4 =43/4 + 1/4 =11
3 gio 12 phut*3=
4gio 23 phut*4=
12 phut 25 giay*5=
4.1gio*6=
3.4 phut*4=
9.5 giay*3=
1 phut 25 giay*3=
giai giup minh nhe,minh tick cho
a) 5,67 + 17, 9 b) 60 – 45,5
c)45,67 x 9, 5 d) 126,25 : 25
5,67 : 0.8 +5,67 x 2,5 -5,67 +5,67 x 7,25
32/60 + 2/3 :3 +1/2 -1/4
Moi nguoi tra loi ho minh nhe
1/2 + 7/3 +9/2 -1/3 +4/9 - 1 va 5/9
Moi nguoi tra loi ho minh nhe
Minh hoi 2 cau nhe
Tinh nhanh
8/9 . 15/16. 24/25 . 35/36 .48/ 49 . 63/ 64 .80/ 81
cac ban oi giup minh voi nhe ai dung minh tick cho nhe
Tinh nhanh
1/2 +3/5 + 1/9 + 1/127 + 7/ 18 + 4/35+ 2/7
ai dung minh tick cho nhe . Minh can gap nhe
1. 9/13-11/26+1/2
2.1/5+2/7+7/35
3.4/9+1/3:3/8
4.21/25-1/5*/2/3
cac ban giup minh nhe
3/4=..........
ai dung minh tick nhe