487dm2 19cm2=...........m2
18km2 43m=.................km2
187m2 6dm2=.....................dam2
2ha 187m2=...........................ha
143ha 24dam2................................km2
487dm2 19cm2=...........m2
18km2 43m=.................km2
187m2 6dm2=.....................dam2
2ha 187m2=...........................ha
143ha 24dam2................................km2
806000dam2 =.........km2.........hm2
7dm2=.........m2
25cm2=..........dm2
15m2 6dm2=..........m2
3km2 16hm2=..........km2
\(7dm^2=0.07m^2\)
\(25cm^2=0.25dm^2\)
806000dam2 =.80........km2....60.....hm2
7dm2=...0,07......m2
25cm2=......0,025....dm2
15m2 6dm2=..........m2
3km2 16hm2=..........km2
5ha 27dam2=.....ha
12ha 56dam2=....ha
47km2 8hm2=.....km2
2m2 6dm2=.....m2
32ha 8m2=.....dam2
\(5ha27dam^2=5,27ha\)
\(12ha56dam^2=12,56ha\)
\(47km^28ha=47,08km^2\)
\(2m^26dm^2=2,06m^2\)
\(32ha8m^2=3200,08dam^2\).
a) 5m 25cm = … cm
11g = … kg
3256m = … km … m.
7365g = … kg … g.
2cm2 = … mm2
b) 3m2 495cm2 = … cm2.
15 000 hm2 = … km2;
35 160m2 = … hm2 … m2.
5m2 6dm2 = … dm2
a) \(5m25cm=525cm\)
\(11g=\dfrac{11}{1000}kg\)
\(3256m=3km256m\)
\(7365g=7kg365g\)
\(2cm^2=200mm^2\)
b) \(3m^2495cm^2=30495cm^2\)
\(15000hm^2=150km^2\)
\(35160m^2=3hm^25160m^2\)
\(5m^26dm^2=506dm^2\)
a) 5m 25cm = … cm
11g = … kg
3256m = … km … m.
7365g = … kg … g.
2cm2 = … mm2
b) 3m2 495cm2 = … cm2.
15 000 hm2 = … km2;
35 160m2 = … hm2 … m2.
5m2 6dm2 = … dm2
a: 5m25cm=525cm
11g=0,011kg
3256m=3km256m
7365g=7kg365g
\(2cm^2=200mm^2\)
Bài 1: Đúng ghi Đ, sai ghi S
A) 8m2 7dm2=870dm2
B) 8m 27dm2=807dm2
C) 6dm2 6cm2=606cm2
D) 6dm2 6cm2=660cm2
E) 470ha=4 và 70/100hm2
G) 470ha= 4 và 70/100 km2
H) 15ha 3dam2= 15 và 3/10ha
K) 15ha 3dam2= 15 và 3/100ha
những câu đúng : B,C,G,K
những câu sai : A,D,E,H
4m2 19cm2 = ......cm2
\(4m^219cm^2=\left(4\cdot10^4+19\right)cm^2=40019cm^2\)
24dam2 7m2= dam2
12,6487ha= dam2
34m2 30dm2= m2
4m27dm2= cm2
điền số vào chỗ chấm
Gửi em đáp án:
24dam2 7m2 = 24,07dam2
12,6487ha = 1264,87dam2
34m2 30dm2 = 34,3m2
4m27dm2 =40700cm2
17,5 ha =..............km2 43m 90mm =...........m
10 tan 4 yen =.............tan 0,05kg = ..............g
7 phan 20 =... .......% 648m2 = .............ha
268 phan 1000 = ...%
17,5 ha =0.175 km2 43m 90mm =43.09m
10 tan 4 yen =.10.04 tan 0,05kg = 50 g
7 phan 20 =35 % 648m2 = 0.0648 ha
268 phan 1000 = 26.8 %
17,5 ha =0,175 km2 43m 90mm = 43,009m
10 tấn 4 yến = 10,0004tấn 0,05kg = 50g
7 phần 20 = 35% 648m2 = 0,0648ha
268 phần 1000 = 26,8%
đúng thì k nha
17,5 ha =0,175 km2 43m90mm=43,090 m
10tan 4yen =10,04 tan 0,05 kg=50 g
7 phan 20=35 % 648m2=0,6648 ha
268phan 1000=26,8%
nếu đúng cho mình