.a.7dam2.2m2 =m2.b.4cm2=m2.c.21dm2.4cm2=cm2.d.5m2=dam2
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1,401km2 = .......1.401.000........m2
3,2 m2 = .......32000.....cm2
0,075hm2 = .............750..........m2
7,34 m = ........7.......m..........34....cm
3,6km =.............3600............m
3,12dm2 = ...........312.........cm2
213 m2 = ..............2,13.............dam2
12 m24cm2 = ..........12,04.........m2
4km2 5m2= ........40005.........ha
2,34m2 = .............2........m2....34..dm2
Tích cho chị với nhee ;33
\(1,401km^2=1401000m^2\); \(3,2m^2=32000cm^2\) ; \(0,075hm^2=750m^2\)
\(7,34m=7m34cm\) ; \(3,6km=3600m\) ; \(3,12dm^2=312cm^2\)
\(213m^2=2,13dam^2\) ; \(12m^24cm^2=12,0004m^2\) ; \(4km^25m^2=400,0005ha\)
\(2,34m^2=2m^234dm^2\)
Sai thì thôi nhan
# Kukad'z Lee'z
a. 17 dam2 5 m2 =1705m2
b. 16 hm2 51 m2 = 16051m2
c. 6542 cm2 = 65 dm242 cm2
d. 203040089 m2 = 20 km2 3 hm2 4 dam2 89 m2
e. 3 dm2 27 cm2 - 36 cm2 = 291 cm2
f. 63 dm2 75 cm2 + 58 dm2 46 cm2 = 1 m2 22 dm2 21 cm2
g. 3 dm2 5 cm2 : 5 = 61 cm2
h. 44 dm2 x 4 = 1 m2 76 dm2
9 dam2 = 900m2
18m2= 1800dm2
17km2 = 170000 dam2
5m2 7dm2= 50700cm2
4km2 107dam2= 40107dam2
2/5km2= 400000 m2
480000cm2= 48m2
1800000mm2= 180 dm2
9000000m2= 9 km2
46000cm2= 4 m2 60 dm2
907000dam2= 90 km2 7000 dam2
3 4/5km2= 3 km2 8 hm2
9 dam2 = 900m2
18m2= 1800dm2
17km2 = 170000 dam2
5m2 7dm2= 50700cm2
4km2 107dam2= 40107dam2
2/5km2= 400000 m2
480000cm2= 48m2
1800000mm2= 180 dm2
9000000m2= 9 km2
46000cm2= 4 m2 60 dm2
907000dam2= 90 km2 7000 dam2
3 4/5km2= 3 km2 8 hm2
\(5cm^2=500mm^2\)
\(12km^2=1200ha\)
\(1ha=10000m^2\)
\(5m^2=50000cm^2\)
....
\(ha=hm^2\)nha bạn
#) Trả lời :
a) 5 cm2 = 500 mm2 ; 12km2 = 1200 hm2
1 hm2 = 10 000 m2 ; 7hm2 = 70 000 m2
1 m2 = 10 000 cm2 ; 5 m2 = 50 000 cm2
12 m2 9 dm2 = 1209 dm2 ; 37 dam2 224 m2 = 3924 m2
b) 800 mm2 = 8 cm2 ; 3400 dm2 = 34 m2
12 000 hm2 = 120 km2 ; 150 cm2 = 1 dm2 50 cm2
90 000 m2 = 9 hm2 ; 2010 m2 = 20 dam2 20 m2
#~Will~be~Pens~#