Tính theo mẫu:
67 dam – 25dam =
Tính theo mẫu:
Mẫu: 2dam + 3dam = 5dam
25dam + 50dam =
8dam + 12dam =
36dam + 18dam =
24dam – 10dam = 14dam
45dam – 16dam =
67 dam – 25dam =
72dam – 48dam =
25dam + 50dam = 75dam
8dam + 12dam = 20dam
36dam + 18dam = 54dam
45dam – 16dam = 29dam
67 dam – 25dam = 42dam
72dam – 48dam = 24dam.
Tính (theo mẫu):
Mẫu: 9dam + 4dam = 13dam 18hm – 6hm = 12hm
6 dam + 15dam = .....dam 16hm – 9hm = .....hm
52dam + 37dam = .....dam 76dam – 25dam = .....dam
48dam + 23dam = .....dam 63hm – 18hm = .....hm
6 dam + 15dam = 21dam 16hm – 9hm = 7hm
52dam + 37dam = 89dam 76dam – 25dam = 51 dam
48dam + 23dam = 71dam 63hm – 18hm = 45hm
Tính (theo mẫu):
Mẫu 26m x 2 = 52m 69cm : 3 = .....cm
25dam x 2 = .....dam 48m : 4 = .....m
18hm x 4 = .....hm 84dm : 2 = .....dm
82km x 5 = .....km 66mm : 6 = .....mm
25dam x 2 = 50dam 48m : 4 = 12m
18hm x 4 = 72hm 84dm : 2 = 42dm
82km x 5 = 410km 66mm : 6 = 11mm
Tính theo mẫu:
25dam + 50dam =
25dam\(^2\)7m\(^2\)=.....dam\(^2\)
Tính
a) 25dam + 42dam = .....dam
83hm – 75hm = .....hm
13km x 5 = .....km
b) 672m + 314m = .....m
475dm – 56dm = .....dm
48cm : 6 = .....cm
a) 25dam + 42dam = 67dam
83hm – 75hm = 8hm
13km x 5 = 65km
b) 672m + 314m = 986m
475dm – 56dm = 419dm
48cm : 6 = 8cm
3km225dam2=...........................dam2
3km\(^2\)=30000dam\(^2\)
30000 dam\(^2\)+25dam\(^2\)= 30025dam\(^2\)
=>3km\(^2\) 25dam\(^2\)=30025 dam\(^2\)
6434dam2=..... ha .....m2
4km2 62ha=..... m2
4ha - 25dam2=.....dam2
\(6434dam^2=64ha3400m^2\)
\(4km^262ha=4620000m^2\)
\(4ha-25dam^2=400dam^2-25dam^2\)
\(=375dam^2\)
7 tạ + 26 kg= ...g 9km-3hm=...dam
5 tấn : 2 tạ =...yến 4 ha -25dam = ...dam
ai nhanh mình tick
1) 726 000 g
2) 870 dam
3) 250 yến
4) 375 dam
Chuc bn hoc gioi
7 tạ 26 kg = 700026g 9km - 3hm=870 dam
5 tấn : 2 tạ=2,5 yến 4 ha - 25 dam= 15 dam