0.28:0.49 化简比,还有0.32;48

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0.28:0.49 化简比,还有0.32;48
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0.28:0.49 化简比,还有0.32;48
0.28:0.49 化简比,还有0.32;48

0.28:0.49 化简比,还有0.32;48
0.28:0.49
=(0.28×100):(0.49×100)
=28:49
=4:7
0.32;48
=32:4800
=2:300
=1:150

0.28:0.49
=4:7
0.32:48
=32:4800
=1:150