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3.5×0.2= 10÷0.5= 6×0.25= 0.63÷0.9= 1.8×0.4=
0.99÷0.1= 1.2×4= 3.9×0.01= 2.33×1.2= 1.25×0.8=
0.5÷0.90.5 0.55×0.90.55
36÷0.013.6×100 7.3÷0.373÷3
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