Bài 1:
1km2 8dam2 =...dam2 4,6m2 = ...m2 ...cm2
1,8km2 = ...dam2 6m2 29cm2 = ...cm2
Bài 2: Cho các chữ số 1,2,3,4
Viết được bao nhiêu số tự nhiên từ các số đã cho
Làm bài giải nhé
Ngày mai mình phải nộp rồi
K
Khách
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Những câu hỏi liên quan
ND
Nguyễn Đức Trí
VIP
16 tháng 7 2023
\(2dam^216m^2=2,16dam^2\)
\(\)\(46dam^25m^2=46,95dam^2\)
\(3km^24cm^2=30000,0004dam^2\)
\(32dam^29m^2=32,09dam^2\)
\(8dam^262m^2=8,62dam^2\)
\(16dam^229m^2=16,29dam^2\)
\(52dam^240m^2=52,4dam^2\)
\(13hm^224dm^2=1300,0024dam^2\)
16 tháng 7 2023
16m2 = 1.6dam2
46dam2 5m2 = 465m2
3km2 4cm2 = 30004dam2
32dam2 9m2 = 329.9dam2
8dam2 62m2 = 862m2
16 dam2 29m2 = 1629m2
52dam2 40m2 = 5240m2
13hm2 24dm2 = 1324dam2
NT
Nguyễn Thị Thương Hoài
Giáo viên
VIP
12 tháng 11 2023
a, 1m2 = 100 dm2 = 10000 cm2 = 1000000 mmm2
1ha = 10000 m2
1km2 = 100 ha = 1000000m2
5 tháng 11 2021
a)
12dam2 30m2 = 12,30dam2
5km2 155dam2 = 5,0155km2
8m2 7dm2 = 8,7m2
b)
78dm2 5cm2 = 78,5dm2
6m2 5cm2 = 6,0005m2
~HT~
CM
9 tháng 11 2017
67 dam2 51m2 = 67 dam2 + 
m2 = 
dam2
82 dam2 7m2 = 82dam2 + 
m2 = 
dam2
DB
10 tháng 12 2021
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U
Các bạn bạn nào biết giải bài này bằng lời giải và phép tính thì giúp mình với. Mình cảm ơn 
9 tháng 7 2023
a: \(\overline{abc}\)
a có 3 cáhc
b có 4 cáhc
c có 4 cách
=>Có 3*4*4=48 cách
b: \(\overline{abcd}\)
a có 3 cách
b có 3 cách
c có 2 cách
d có 1 cách
=>Có 3*3*2=18 cách
c: \(\overline{abc}\)
c có 1 cách
a có 3 cách
b có 4 cách
=>Có 1*3*4=12 cách
d: \(\overline{abcd}\)
TH1: d=0
=>Có 3*4*4=48 cách
TH2: d<>0
d có 2 cách
a có 3 cách
b có 4 cách
c có 4 cách
=>Có 4*4*3*2=16*6=96 cách
=>Có 144 cách
9 tháng 10 2021
TL ;
6 m vuông = 0,06 dam vuông
31 mm vuông = 0,31 cm vuông
27 cm vuông = 0,027 m vuông
523 g = 0,523 kg