① Investigation and experiment. Consult literature and information on the Internet.
2 Grouping? Number?
(3) What is the minimum number of families? ? ; What is the largest family size?
④ Answer: Direct investigation record.
(5) (see table below)
⑥( 1) Measure, observe and record (2) Maximum difference in September (3) Answer: I also know that there is more precipitation in city B than in city A, and the maximum precipitation in city A is 1.
exceed
By the way, this chapter is quite simple. We're all finished, and I'm fine. ...
Teaching content: mathematics, experimental teaching material of compulsory education curriculum standard (People's Education Edition), sixth grade, wid