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peoplewhoknowsenglishplusmaththancome!pleasehelpmesolvethesequestions:Usetilesorcounterstowrite3equivalentfractionsforeachfraction.20outof50,4outof5,20outof30,25outof35.IfyoufinishthemallQUICKLY!please,imina

题目详情
people who knows english plus math than come!
please help me solve these questions:
Use tiles or counters to write 3 equivalent fractions for each fraction.
20 out of 50,4 out of 5,20 out of 30,25 out of 35.
If you finish them all QUICKLY!please,im in a hurry!
I would give you 5 points in baidu!thank you!
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答案和解析
20 out of 50 2 out of 5; 4 out of 10; 40 out of 100;
4 out of 5 8 out of 10; 16 out of 20; 40 out 0f 50
20 out of 30,2 out of 3; 4 out of 6; 10 out of 15
25 out of 35.5 out of 7; 10 out of 14; 15 out of 21