6cm2 7mm2 | = | mm2 |
12cm2 85mm2 | = | mm2 |
17dm2 4635mm2 | = | mm2 |
: a) 3740kg = . . . . . . . . . . . . tấn . . . . . . . . . . . . . kg c) 672dm = . . . . . . . . . . . . . . . . . . . . . m b) 14dm2 7mm2 = . . . . . . . . . . . . . . . . . . . . . . . . . . . mm2 d) 15 phút = . . . . . . . . . . . . . . . . . . . . giờ.
\(3740kg=3tấn740kg\)
\(14dm^27mm^2=140007mm^2\)
\(672dm=67,2m\)
\(15phút=\dfrac{1}{4}giờ=0,25giờ\)
8m2 26 dm2 = ........m2
20m2 4dm2= .........dm2
45dm2=.....m2
7m2 7dm2=......cm2
4cm 7mm2= .........mm2
5dm2 9cm2= ........cm2
1/2 ha = ......m2
1/5 km=...........dam2
\(8m^226dm^2=8,26m^2\)
\(20m^24dm^2=2004dm^2\)
\(45dm^2=0,45m^2\)
\(7m^27dm^2=70700cm^2\)
\(4cm^27mm^2=407mm^2\)
\(5dm^29cm^2=509cm^2\)
\(\frac{1}{2}ha=5000m^2\)
câu cuối hình như đề sai!
8m2 26dm2=8,26m2
20m2 4dm2= 2040dm2
45dm2=0,45m2
7m2 7dm2=707000cm2
4cm 7mm2=40,7mm2
5dm2 9cm2= 50,9cm2
1/2 ha =50000 m2
1/5 kg=20000dam2
đúng thì k cho mik nha
Bổ sung câu cuối,lúc nãy mình nhìn nhầm!
\(\frac{1}{5}km^2=20000dam^2\)
3 m 2 cm=............hm , 4 yến 7 kg=.........yến ,473 kg=.............tấn..........kg , 62 yến 48 hg=.......... hg ,5m2 38dm2=........m2 ,23m2 9dm2=..........m2 ,5dm2 6cm2=...........dm2 , 6cm2=..............mm2 , 260 cm2=...............dm2............cm2 ,
a) 4ha=................m2
4500mm2=...........cm2
6cm2 25mm2=..........mm2
60000m2=........ha
84800m2=........ha...........m2
2ha350m2=............m2
giúp mình nha :3
a) 4ha=40000m2
4500mm2 = 45cm2
6cm2 25mm2 = 625mm2
60000m2 = 6ha
84800m2 = 8ha 4800m2
2ha 350m2 = 20350m2
5,4cm2 7mm2=....cm2
Số?
a) 1 cm2 = mm2 b) 1 cm2 30 mm2 = mm2
2 cm2 = mm2 8 cm2 5 mm2 = mm2
200mm2 = cm2 7 cm2 14mm2 = mm2
a) 1 cm2 = 100 mm2
2 cm2 = 200 mm2
200 mm2 = 2 cm2
b) 1 cm2 30 mm2 = 130 mm2
8 cm2 5 mm2 = 805 mm2
7 cm2 14 mm2 = 714 mm2
Đúng ghi đ sai ghi :
a) 9 cm2 7mm2 = 9,07m2
b)10kg 1g = 10,01 kg
Trả lời nhanh giúp mik ạ
Số?
a) 20 mm2 + 30 mm2 = ? mm2 36 cm2 - 17 cm2 = ? cm2
b) 6 mm2 x 4 = ? m2 30 dm2 : 5= ? dm2
a) 20 mm2 + 30 mm2 = 50 mm2
36 cm2 – 17 cm2 = 19 cm2
b) 6 m2 × 4 = 24 m2
30 dm2 : 5 = 6 dm2
Tính theo mẫu
Mẫu: 3cm2 + 5cm2 = 8cm2
18cm2 + 26cm2 =
40cm2 – 17cm2 =
3 cm2 x 2= 6cm2
6cm2 x 4cm2 =
32cm2 : 4cm2 =
18cm2 + 26cm2 = 44 cm2
40cm2 – 17cm2 = 23cm2
6cm2 x 4cm2 = 24cm2
32cm2 : 4cm2 = 8cm2