8ha 52dam2=?ha cíu mình nha
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Trả lời:
6km 72m = 6,072km;
8ha 3 dam2= 8,03 ha.
Chúc bn học tốt.
\(8ha=80000m^2\)
\(\dfrac{1}{2}ha=5000m^2\)
\(15ha=150000ha\)
\(\dfrac{1}{100}ha=100m^2\)
\(20ha=200000m^2\)
\(800000m^2=80ha\)
\(600000m^2=60ha\)
\(98km^235ha=9835ha\)
\(3098cm^2=30dm^298cm^2\)
\(25km^28ha=2508ha\)
a: \(8ha=80000m^2\)
b: \(16km^2=1600ha\)
c: \(500dam^2=5ha\)
d: \(150000m^2=15ha\)
`5km 328 m = 5,328km`
`23m^2 58 dm^2 = 23,058m^2`
`8ha 33 dam^2 = 8,033 ha`
\(2h8dm^2< 280dam^2\)
\(8ha15m^2< 80150m^2\)
\(7\dfrac{1}{2}ha>7ha12dam^2\)
\(9km^25ha=905ha\)
\(7\dfrac{33}{100}ha>6ha3dam^2\)
\(4km^27ha< 4\dfrac{7}{10}km^2\)
12,3:0,2+12,3 \(\times\) 5
= (12,3:0,2)+(12,3 \(\times\) 5)
=61,5+61,5
=123
12,3 x0,2 +12,3 x5
=12,3 x 5+12,3x 5
=5x(12,3+12,3)
=5x ...
= tự tính đi ạ
12,3 x0,2 =12,3 x5 vì khi chia 0,2 thì chuyển qua nhân 5 ,quy tắc
1 lived
2 wasn't hearing - was thinking
3 walked - was
4 were you doing - phoned
5 was reading - heard
6 was walking - saw
7 had watched - wrote
8 met
9 had you done - moved
10 was - didn't attend
II
1 when we were having lunch
2 had read the instruction, I started the machine
3 went out for a rest, we had finished our assignment
4 she left, it was raining
5 learning English
6 to help me
7 the man to open the briefcase
8 my friend break the bottle
9 him fall off the bike
10 a foreign language in a short time is not easy
8,52 ha nha
8,52 k mik nha