The math problem in the first volume of grade six comes from the Jiangsu Education Edition: 3.4.5 in the math workbook 16, and 67.8 in the thinking problem and math book 29. Thank you.
3. Solution: Let the water depth in the sink be × decimeter.
24 times 5×=360
24 times 5 × 24 = 360 24.
5×= 15
×=3
A: The depth of the sink is 3 minutes.
5. 1.2×0.8×(0.7-0.2)
= 1.2×0.8×0.5
=0.96×0.5
=0.48 cubic meters