3 分数除法
+
=
÷5=
+
﹣
+
= 1.25×8=
0.15×1.2+3.8×15%= 2﹣
÷
= 0.25+0.75=
+
×0=
(
﹣
)×
= 4505÷5= 24.3﹣8.87﹣0.13= .
直接写出下面各题的得数.
×
= 4÷0.8= 0÷
=
24×13= 0,45×1000= 9÷
=
786﹣298=
÷
= 25×0.7×4= 2﹣2÷3=
100×1%= (
﹣0.375)×5=
×
×
= ;
×
= ;
×
×
= ;
×
×
= ;
108×
= ;
×
= ;
×
= ;
×120= ;
×
= ;
×
= ;
+
= ;
×
= ;
4
×
= ; 2
×
= ; 3
×
×1
= ; 3
×4×
= ;
2
×3
×
= ;
×
×
= ; 2
×12= ; 3
×14= ;
5
×4= ; 7
×2= ; 3
×4= ; 7×3
= ;
×12
= ;
×6
= ; (
﹣
)×50= ; (
+
)×12= ;
÷
=
÷12= ;
÷
= ; 1÷
= ;
5÷
= ;
÷21= ;
÷
= ;
÷
= ;
÷
= ;
÷
= ;
×
= ;
÷5= .
+
=
+
= 2.4×0.5= 0.9÷0.03=
=
÷
=
×
= 0.4×0.12=
= 1﹣
=
= 1÷0.25%=
=
=
= 1
= 2.3÷0.3=
=
=
=
=
= (2)0.6÷
= (3)75×10%=
+
×4= (5)48×(
﹣
)=.
=
=
=
=
=
=
=
=
﹣
= 1﹣
÷
=
= 0.6×0.6= 4.6+4=
×4= 0.37+1.7= 8.4÷0.7= 3×25%=
﹣
= 1.8×
= 44÷
=
÷
=
×
×
= 1÷
×
=
×
÷
×
=
=
= 5﹣
= 1﹣
+
=
比它的
多27,这个数是多少?
与
的差乘30除15的商,积是多少?
多5,这个数是多少?
×
= 0.75÷
=
=
÷
=
﹣
= 31.5×10%=
÷12=
×21×
=
÷4=
×12= 6÷
= 27×
=
÷
=
×
= 1÷
=
×
=
÷16
×
=
÷
= 14÷
=
= 20×1
= 0.36÷
﹣
=
÷2= 3
﹣
=
比1
除45的商多15?
= 2
=
=
=
÷2=
﹣
=
= 1.25×
= 24×(
﹣
)= 6.25+
=
﹣
= 9.7﹣3﹣1.7= (18+
)÷9= 1﹣
÷0.5=
= 1
×
= 2
×8= 6
+
=
5﹣1
﹣1.6= 2
×0= 0
﹣
= 
÷
= 1
1.5+2.35= 3.85(
+
)×12= 14 .
=
+0.37= 10﹣1
1﹣9.9%
:2
99099÷99
+
= ②
= ③
= ④
=
的最大真分数除以
的倒数,商是多少?
=
=
=
是16,它的20%比乙数少26,求乙数是多少?
给B组后,两组人数相等,原A组比B组多
=
=
=
=
=
= 0.1÷10%= a﹣
a=
=
=
)×24.
=
= 8×(12+0.5)=
=
×32= (3)
﹣
=
÷20= (6)(
+
)×12= .
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