赚现金
12:20= :10== %= 成.
0.l2=3: = ÷50= %.
0.375==15: = ÷32= %= 折.
=12÷ = ÷10= %=0.8.
= ÷ ==.
1:2= :3= ÷6= (用小数表示比值).
= ÷ ==21÷ .
六折= =12÷ = :5= %= 填小数.
÷20=0.8== :15= %
4除以5的商用小数表示是 ,用分数表示是 ,用百分数表示是 .
2.5: ==1.25=25÷ = %.
= :15=15÷ = %= (填小数)
= ÷ =60%= : = 小数.
=== ÷32=35÷ .
÷10==0.4= %= .
÷15=0.8==16: = %
÷20==36: = 折= %.
÷ ==.
%=15÷ ==0.3: =0.75= 折= (填成数).
÷ =8﹕ = ﹕15==.
0.8=12÷ = :10= %
÷ = :16=5÷ = %=0.25.
:16=15÷ == %= (填小数)
将分数1写成两个数相除的式子:1 .
12÷ = :20==0.8= %
1= ÷10=24: = %= [填小数].
10: =4÷8== %= 成.
:16=9: =0.75= %
: ==12: = %
0.6==12÷ = : = %
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