Đáp án:
Câu 1:
45m3 5cm3 = 45,000005 m3 5m3 9cm3 =5,000009 m3
204 3/100m3 =204030 dm3 15m3 25dm3 =15,025m3
Câu 2:
0,17 dm3 x 24,17m3 + 965 00 dm3 - 3,05m3
=0,17 dm3 x 24170 dm3 +96500 dm3 -3 050 dm3
= 4108,9 dm3+ 93450 dm3
=97558,9 dm3
Câu 3 : a)2m3 7dm3=2,007m3
3 m3 15dm3= .3,015m3
b)30dm3 4/2cm3 = .30,002cm3
12082dm3 =....12............m3.......82......dm3