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= ÷ ==.
:20==0.8=24÷ =80%= 成= 折.
: == ÷20= 折.
÷ =0.125=2÷ == %
12÷ =0.75== :36= %
= ÷ = (填小数)
= ÷ =9: == %= 折.
÷8==0.375=9÷ =.
0.25=4÷ = :4= %= 折.
3÷4==( )÷16═ (填小数)
== ÷ = (小数)
(1)1里面有 个,里面有 个(2)==5÷ = (填小数)
的分数单位是 ,也可用除法为 .
吨用分数的意义想,表示 ,用分数与除法的关系想表示 .
个是== ÷6.
在括号里填上适当的数2个 .=.
= ÷ == .
3÷2===.
=÷9==10÷ .
.
在括号内填上适当的数:(1); (2); (3)>;(4)<; (5); (6);(7) %=24: = ÷5=0.12:(8)6吨比8吨少 %.
%=0.57;3.6÷5=.
0.25= ÷1000=2: == %
÷8=== <填小数>
÷8==0.25= %= : .
0.75= %= ÷ = 折.
12÷ ==0.375= :24.
0.6== : = ÷ .
15: ==36÷ = %
==0.25==.
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