1/10 hm2 = .......m2 1/10km2 ..... hm2
3/5 hm2 = .........m2 1/2 km2 = ..........hm2
Viết số thích hợp vào chỗ chấm :
k m 2 | h m 2 | d a m 2 | m 2 | d m 2 | c m 2 | m m 2 |
1 k m 2 =.... h m 2 | 1 h m 2 =... d a m 2 =... k m 2 | 1 d a m 2 =... m 2 =.. h m 2 | 1 m 2 =100 m 2 =0,01 d a m 2 | 1 d m 2 =... c m 2 =... m 2 | 1 c m 2 =... m m 2 =... d m 2 | 1 m m 2 =.. c m 2 |
Chú ý : Khi đo diện tích ruộng đất người ta còn dùng đơn vị héc-ta (ha)
1ha = … m 2
k m 2 |
h
m
2
|
d a m 2 | m 2 | d m 2 | c m 2 | m m 2 |
1 k m 2 =100 h m 2 | 1 h m 2 = 100 d a m 2 = 0,01 k m 2 | 1 d a m 2 = 100 m 2 = 0,01 h m 2 | 1 m 2 =100 m 2 =0,01 d a m 2 | 1
d
m
2
= 100
c
m
2
= 0,01
m
2
|
1 c m 2 = 1000 m m 2 = 0,01 d m 2 | 1 m m 2 = 0,01 c m 2 |
Chú ý : Khi đo diện tích ruộng đất người ta còn dùng đơn vị héc-ta (ha)
1ha = 10000 m 2
1 viết số thích hợp vào chỗ chấm
4750 m2 = ........dam2 = ............m2
137 hm2 = ..........km2 = .............hm2
247 dm2 = ............m2= .............dm2
324 cm2 = .............dm2
7m2 6 dm2 = ............. dm2
7 hm2 8m2 = .............m2
4750 m2 = ..47......dam2 = ....50........m2
137 hm2 = ...1.......km2 = ....37.........hm2
247 dm2 = ....2........m2= ........47.....dm2
324 cm2 = .......3,24......dm2
7m2 6 dm2 = ........706..... dm2
7 hm2 8m2 = ........70008.....m2
4750 m2 = 47,5 dam2 = 4750 m2
137 hm2 = 1,37 km2 = 137 hm2
247 dm2 = 2,47 m2 = 247 dm2
324 cm2 = 3,42 dm2
7m2 6dm2 = 706 m2
7hm2 8m2 = 70008 m2
47,50 dam2
1,37km2
3,24 dm2
706 dm2
70002 m2
6km2 23456m2=........km2...........hm2.........dam2..........m2=..........km2
5km2 246m2=........km2...........hm2.........dam2=.........m2..........km2
57932 m2= ............m2............dm2..........cm2=...........m2
5,405m2=...............dm2............cm2..........=.............cm2...........dm2
TỰ LÀM ĐI DÀI LẮM
6km2 23456m2=…km2…hm2…dam2…m2=…km2
5km2 246dam2=…km2…hm2…dam2=…km2
57932cm2=…m2…dm2…cm2=…m2
5,405m2=…m2…dm2…cm2=…cm2…=…dm2
TỰ LÀM ĐI DÀI LẮM
Cho hỏi là 236901=.................m2.................dm2 vậy ạ
6km2 23456m2=…km2…hm2…dam2…m2=…km2
5km2 246dam2=…km2…hm2…dam2=…km2
57932cm2=…m2…dm2…cm2=…m2
5,405m2=…m2…dm2…cm2=…cm2…=…dm2
a) 6km2 23456m2 = 6km2 23hm2 45dam2 6m2 = 6,23456km2
b) 5km2 246dam2 = 5km2 24hm2 6dam2 = 5,246km2
c) 57932cm2 = 5m2 79dm2 32cm2 = 5,7932m2
d) 5,405m2 = 5m2 40dm2 5 cm2 = 54050cm2 = 540,5dm2
16dam 9m=………dam2 12000 hm2=………km2 12m 9dm2=……….dm2 1/10 km2=………….ha 3/4 km2=………..ha 1800 ha=………..km2 1/2 ha=……….m2
\(12000hm^2=120km^2\)
\(12m^29dm^2=1209dm^2\)
\(\dfrac{1}{10}km^2=10ha\)
\(\dfrac{3}{4}km^2=75ha\)
\(1800ha=18km^2\)
\(\dfrac{1}{2}ha=5000m^2\)
2m2=.......dm2 ; 2,6km2=.....hm2 ; 5,67dm2=.......cm2
36dm2=.....m2 ; 24,7hm2=......km2 ; 65,2cm2=......mm2
4ha 35cm2=.....ha ; 16m246cm2=.........m2 ;6km2135m2=........km2
358hm2=....km2.....hm2 ; 502mm2=......cm2......mm2
20 468cm2=...m2.....cm2 ; 1 000 567m2=.....km2.....m2
2m2=200dm2 ; 2,6km2=260hm2 ; 5,67dm2=567cm2
36dm2=0.36m2 ; 24,7hm2=0.247km2 ; 65,2cm2=6520mm2
4ha 35cm2=4.000035ha ; 16m246cm2=16.0046m2 ;6km2135m2=6.00135km2
358hm2=3km258hm2 ; 502mm2=5cm22mm2
20 468cm2=2m2468cm2 ; 1 000 567m2=1km2567m2
\(2 m2 = 200 dm2 \)
\(2,6 km2 = 260 hm2 \)
\(5,67 dm2 = 567 cm2\)
\(36 dm2 = 0,36 m2\)
\(24,7 hm2 = 0,247 km2 \)
\(65,2 cm2 = 6520 mm2\)
\(4 ha 35 cm2 = 4,000035 ha \)
\(16 m^2 246 cm^2 = 16,0246 m^2\)
\(6 km^2 2135 m2 = 6,002135 km2\)
\(358 hm2 = 3 km2 \)
\(502 mm^2 = 5 cm^2 2 mm^2 \)
\(20 468 c m 2 = 2 m 2 468 c m 2 \)
\(567 m^2 = 0 km^2 567 m^2 \)
6km2 23456m2=.......km2....hm2..........dam2=..........m2......................km2
5km2 246dam2=.........km2..........hm2..............dam2=,,,,,,,,,,,m2............km2
57932cm2=.........m2................dm2.........cm2=....m2
5,405m2=....m2........................dm2..........cm2................cm2=...............dm2
37805cm2=......m2........dm2.........cm2=..........m2
57950cm2=..............m2.............dm2...................cm2=...........dm2
dài quá ai mà trả lờ được
5 dam2 = .......m 2
50000 dam2=......km2
550000000m2=....km2
90000m2=......hm2
4m26dm2=.............m2
7m2=.............m2
2/5 phút=......giây
\(5dam^{2}=500m^{2}\)
\(50000dam^{2}=5km^{2}\)
\(550000000m^{2}=550km^{2}\)
\(90000m^{2}=9hm^{2}\)
\(4m26dm^{2}=...m^{2}\) (Đề sai)
\(7m^{2}=7m^{2}\) (Đề có sẵn kết quả)
\(\dfrac{2}{5}\) phút\(=24\) giây
5 dam2 = 500 m2
550000000m2 = 550km2
90000m2 = 9 hm2
4m2 26dm2 = ( Đề sai rồi nha)
7 m2 = 7 m2 ( ĐỀ có sẵn kết quả)
2/5 phút = 24 giây