8km30dam = 830dam
HT
ducduy5a2@gmail.com
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
Tính:
a. 364 dam – 34 dam = ……dam
A. 30
B. 330
C. 398
Viết số thích hợp vào chỗ chấm:
1 dam = .......m 5 dam = ....... m 1hm = ....... dam
1hm = .......m 3hm = ....... m 5hm = .......dam
1cm = .......mm 2m = ....... dm 3m = .......cm
Tính: 8 dam + 5 dam =
34 dam x 6 = ........ dam
A.184
B. 224
C. 40
D. 201
6 km 4 dam = ................... dam ?
A. 64
B. 46
C. 604
D. 640
tính:
8 dam + 5 dam =
57 hm – 28 hm =
12 km x 4 =
26 dam 7 m = .......... m
4km 6 dam = .......... m
ÉT O ÉT:
4215mm=................m.................mm
6278dam=...............km..............dam
9025m=..................hm...............m
3750cm=.................dam.............dm
