tính:
720 m + 43 m =
403cm – 52 cm =
27 mm : 3 =
tính:
403cm – 52 cm =
tính:
720 m + 43 m =
giup voi a minh dang can gap ai nhanh minh cho dung nhe
Số?
a) 27 m = ……… cm
145 m = ……….. mm
65 000 mm = ……. m
b) 8m2 = ………. dm2
77cm2 = ………. mm2
10 000 cm2 = ……….. m2
a) 27 m = 2 700 cm
145 m = 145 000 mm
65 000 mm = 65 m
b) 8m2 = 800 dm2
77cm2 = 7 700 mm2
10 000 cm2 = 1 m2
g) (-457) + (-123) + 23 +237
h) 1 - 3 + 5 - 7 + ... + 41 - 43 + 45 - 47
i) 173 + (-46) + (-54) + (+27)+ (-19)
k) (-52) + 13 + 49 + (-15) + (-36) + 82
l) 3 + (-5) + 7 + (-9) + 11 + (-13) + 15 + (-17)
m) 1 + (-2) + 3 + (-4) + ... + 2001 + (-2002) + 2003
n) (-51) + (-53) + (-55) + ... + (-97) + (-99)
o) (-62) + (+1523) + (-38) + (-2523)+ (-92)
g: \(=-457+237+23-123=-220-100=-320\)
h: \(=\left(1-3\right)+\left(5-7\right)+...+\left(41-43\right)+\left(45-47\right)\)
\(=\left(-2\right)+\left(-2\right)+...+\left(-2\right)+\left(-2\right)\)
\(=-2\cdot12=-24\)
i: \(=173+27-46-54-19=200-100-19=100-19=81\)
k: \(=-52+82+49-15+13-36\)
\(=30+34-23\)
=30+11
=41
l: \(=\left(3-5\right)+\left(7-9\right)+\left(11-13\right)+\left(15-17\right)\)
\(=\left(-2\right)+\left(-2\right)+\left(-2\right)+\left(-2\right)\)
=-8
m: \(=\left(1-2\right)+\left(3-4\right)+...+\left(2001-2002\right)+2003\)
\(=2003-1-1-...-1\)
\(=2003-1001=1002\)
n:Số số hạng là:
\(\left[\left(-51\right)-\left(-99\right)\right]:1+1=49\left(số\right)\)
Tổng là \(\left(-51-99\right)\cdot\dfrac{49}{2}=-3675\)
o: \(=-62-38+1523-2523-92\)
\(=-100+1000-92=900-92=808\)
3 mm = ............ cm
2 hm =.............. km
8 dm = .............m
5 mm= ............ m
5 cm =.............m
13 m=..............hm
3 cm 1 mm = ..............m
13013 =.............km.........m
2731 cm =............m...........cm
4005mm = ...........dm.............mm
Các bạn giúp mình nha mình tick cho
3mm=0.3cm
2hm=0.2km
8dm=0.8m
5mm=0.005
5cm=0.5m
13m=0.13m
2731cm=27m31cm
4005mm=40dm5mm
3mm = 3/10cm = 0, 3cm
2hm = 2/10km = 0, 2km
8dm = 8/10m = 0, 8m
5mm = 5/1000m = 0, 005m
5cm = 5/100m = 0, 05m
13m = 13/100hm = 0, 13hm
3cm 1mm = 31/1000m = 0, 031m
13 013m = 13km 13m
2731cm = 27m 31cm
4005mm = 40dm 5mm
3mm = 0,3 cm
2hm = 0,2 km
8 dm = 0,8 m
5 mm = 0,005 m
mk làm xong cái này rồi đăng típ nhé
Số?
a) 1 cm = ? mm 1 dm = ? cm = ? mm 1 m = ? dm = ? cm = ? mm
2 cm = ? mm 3 dm = ? cm = ? mm 4 m = ? dm = ? cm = ? mm
b) 1 kg = ? g 1 000 g = ? kg 2 kg = ? g
c) 1 l = ? ml 1000 ml = ? l 3l = ? ml
a) 1 cm = 10 mm 1 dm = 10 cm = 100 mm 1 m = 10 dm = 100 cm = 1000mm |
2 cm = 20 mm 3 dm = 30 cm = 300 mm 4m = 40 dm = 400 cm = 4000mm |
b) 1 kg = 1000 g 1000 g = 1 kg 2 kg = 2000 g | c) 1 l = 1000 ml 1000 ml = 1 l 3 l = 3000 ml |
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
8 m 91 cm = ................ m
6 m 3 cm = .............. m
5 m 3 mm = ..................... m
8 m 3 dm = .................... m
1750 mm = ................. m
234,5 cm = ........................... m
12 cm = ............................ m
5,5 m = ............................ cm
5,32 m = .............................. cm
9,375 m = ................................ cm
9 m 81 cm = ................................ cm
6 mm = .................................. cm
3,7 dm = ........................... cm
0,05 m = ............................ cm
8 m 91 cm = 8.91m
6 m 3 cm = 6,03m
5 m 3 mm = 5,003 m
8 m 3 dm = 8.3m
1750 mm = 1.75m
234,5 cm = 2,345 m
12 cm = 0.12 m
5,5 m = 550 cm
5,32 m = 532cm
9,375 m = 937.5 cm
9 m 81 cm = .981cm
6 mm = 0.6cm
3,7 dm =37 cm
0,05 m =5 cm
8,91m
6,03m
5,003m
8,3m
1,75m
2,345m
0,12m
550cm
532cm
937,5cm
981cm
0,6cm
37cm
5cm
8 m 91 cm=8.91 m
6 m 3 cm=6.03 m
5 m 3 mm=5.003 m
8 m 3 dm=8.03 m
1750 mm=1.75 m
234.5 cm=2.345 m
12 cm=0.12 m
5.5 m=550 cm
5.32m=532 cm
9.375m=937.5 cm
9 m 81 cm=981 cm
6 mm=0.6 cm
3.7 dm=37 cm
0.05 m=5 cm
Số ?
8 hm = ….m
8 m = ….dm
9 hm = ….m
6 m = ….cm
7 dam = ….m
8 cm = ….mm
3 dam = ….m
4 dm = ….mm
8 hm = 800 m
8 m = 80 dm
9 hm = 900 m
6 m = 600 cm
7 dam = 70 m
8 cm = 800 mm
3 dam = 30 m
4 dm = 400 mm.
8 hm = 800 m
8 m = 80 dm
9 hm = 900 m
6 m = 600 cm
7 dam = 70m
8 cm = 800mm
3 dam = 30 m
4 dm = 400 mm
TL:
8 hm = 800 m
8 m = 80 dm
9 hm = 900 m
6 m = 600 cm
7 dam = 70 m
8 cm = 800 mm
3 dam = 30 m
4 dm = 400 mm.
HT