3 分数除法
直接写得数:
×
=
÷
=
×8=
+
=
18×2%= 1﹣
= 3.5÷18= 137﹣63﹣37=
205﹣199+95= 求比值:
:3= 8.8+1.2= 1÷25%=
直接写得数.
7.8﹣5.8= 23.5+6.5= 106.3÷0.1= 6391﹣54=
910÷70= 13
﹣
= 0.25
×
= 0.5
+
=
6÷
= 3635×20%= .
直接写出得数.
1﹣
×
= ; 375+450÷18×25= ;
×16= ;
×(
﹣
)= ;
÷[(
+
)×15]= ;
÷
= ;
(0.75﹣
)×(
+
)= ; 3﹣
﹣
= ; 4×25%= ;
(
+
)÷
+
= .
直接写出得数.
2.98﹣0.98= 5×4×0.25= 2+1%= 4.8×
=
﹣(
﹣
)= 9×0.35+0.35= 4.1﹣4.01= 1.2万﹣0.8万=
:125%=
×
÷
×
= 0.42﹣0.22=
÷0.35=
直接写出得数.
341+59= 159﹣13= 763÷7= 786+199=
1.25×0.8= 8
÷8.75=
﹣
= 0÷
=
9.4+
= (1+
)×0=
×
= 1÷
=
5﹣4÷
=
+21÷56= 12×(
﹣
)= 21
÷3=
直接写出得数.
2005+620= 1﹣0.09= 0.45×101= 2÷0.02=
×
=
÷
= 5﹣
= 1﹣
+
=
0×0.54= 0.25×8.5×4= 4.8×11﹣4.8= 2.68+9﹣2.68+9=
直接写得数.
1÷
=
×
=
+
= 2﹣
=
4.2×0.5= 0.25×0.6= 246+198=
﹣
=
=
=
= 84.6+4=
= 10÷0.5=
= 603×39≈
4980÷51≈ 9.3÷0.03=
÷2÷
= 9﹣
﹣
.
直接写得数
36+48= 920﹣460= 570÷10= 12.5÷0.5=
4﹣2.4= 0.125×8= 3.6×25%=
×
=
3.5+4.7= 0.23÷0.1=
÷3=
÷
=
口算:
÷62.5%=
÷8= 1.8÷
= 0.375+
﹣0.01=
×
÷
×
=
0.25×4÷
=
×
÷
×
= 19÷
= 0.125×
×8= 6.4×﹙1
﹣1.25﹚=
口算.
=
=
= 2.25+
=
= 2.5×0.1= 7.5÷0.5=
=
20.1+9.09=
×
=
﹣
= 1÷0.1﹣1×0.1=
(
+
)×63= 0.5÷
= 0.4÷40%= 0.42﹣0.32=
直接写出得数
4.35+19.9= 18×0.5= 12÷
=
8×25%= 3﹣3÷4= 6÷0.1=
4210÷703≈ 99÷81= (
﹣0.625)×0.84=
3.8×5.5+4.5×3.8=
÷8= 2002÷22= 0.75÷75%=
÷
÷
=
﹣
= 7
÷
)×35= 2×
÷2×
÷
= ; 1﹣
×
= ; 4﹣(
)= 3
;
= ; (
)÷
= ; (
)÷
= .
÷
=
﹣
)×20= 0.32+6.2= 6
×0÷3
= 3.25×2=
= 39÷
= 44÷0.2= 1.25×1.6×8=
是4
,求这个数?(用方程解)
加上1
除以
,和是多少?(列综合算式)
=
=
= 0
=
= 1﹣0.94=
=
= 40÷25%=
=
×
= 1.8×
=
÷
÷3= 7÷
=
+
= 3.14×22=
﹣
= 2.25×4= 0.67+0.33=
×80%= (
)×12=
÷
=
×3= 4÷
= 125%×8= 32=
﹣
﹣
= 0.13
+0.87= 4.8
.
=
吨的大小.
= 0.4+4.73=
÷
=
=
×
=
+0.8=
×
÷
+
)×120=
+62.5%= 78×9.9+7.8= 7×
÷7×
+
=
÷5.25=
+6.25=
×
=
÷
= 5﹣
= 1﹣
+
=
比它的
少多少?
是18,这个数的25%是多少?
=;
×
=; 6÷
=;
=; 0.25×8.5×4=.
= ;
= ; 9π≈ ; 2.7÷0.3= ;
= ; 0.4 2= ; 4.6÷10%= .
= ; (
)×30= ;
= ;
÷6= ; 5﹣
= 5
;
×25= ;
= .
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