a,Viet so thap phan duoi dang ti so phan tram:
0,24= 0,009= 4,1= 12,5=
b,Viet ti so phan tram duoi dang so thap phan;
94%= 7%= 128%=
c,Viet theo mau:25%=25/100=1/4
45%= 125%=
2.Viet cac so do sau duoi dang so thap phan:
a, 2/5gio= 2 3/4gio=Luu y day la hon so
b,1/25kg= 11/100km=
3.Viet so thap phan thich hop vao cho cham sao cho:
a,0,8<.....<0,9 b,0,03<...<0,04
c,1,34<...<1,35 d,2,3221<...<2,322
a,Viet so thap phan duoi dang ti so phan tram:
0,24= 24% 0,009= 0,9% 4,1= 410% 12,5= 1250%
b,Viet ti so phan tram duoi dang so thap phan;
94%= 0,94 7%= 0,07 128%= 1,28
c,Viet theo mau:25%=25/100=1/4
45%= 45/100 = 9/20 125%= 125/100= 5/4
2.Viet cac so do sau duoi dang so thap phan:
a, 2/5gio= 0,4 giờ 2 3/4gio= 2,75 giờ
b,1/25kg= 0,04 giờ 11/100km= 0,11 km
3.Viet so thap phan thich hop vao cho cham sao cho:
a,0,8< 0,85 <0,9 b,0,03< 0,035 <0,04
c,1,34< 1,345 <1,35 d,2,3221< 2,32201 <2,322
Thanks ban neu ban con nho mk thi mk la Diep day,nhung tai khoan kia cua mk bi sao a, the la mk da doi tai khoan,kp nhoa,ma du sao cung cam on ban nhieu lam!
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