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How to teach number bonds to 5? How do you rewrite x = 0 in terms of y (for a solids of revoultion problem)? When we see a train approaching us on the tract does the mass of the train appear smaller or bigger,is that relativity? The half-life of polonium-218 is 3.0 minutes. If you start with 30.0 g, how long will it be before only 3.3 g remains? Learning number bonds to 10?

Anonymous55929| 05/02 2016 16:3587 %