3 分数除法
9.2×12
= 37
÷9=
×21= 5.089×
=
59×
= 12
÷
=
×
÷
×
=
+(
﹣
)÷1
﹣
=
34×3.1+5.1×14﹣6
=
+
+
+
+
=
3+
+
+
+
+
+
= 4.25×1.32×0.75÷(1
×1
)=
口算
1
﹣
+0.8= 7.4﹣(1
+
)= 1
﹣
﹣
= 1.25×7×8= 12
÷3=
0.25×0.4= 4.4﹣3
= 4÷0.25= 3÷10%= 11
×6=
+1÷2
=
×(1﹣
)= 2×0.75=
÷
= 5÷25÷0.4=
0.8×
×5=
÷
×
= (0.18+
)÷9=
×
÷
×
=
×
÷
=
直接写出得数.
(1)0.77+1.33= (2)437﹣198= (3)1﹣4÷9= (4)84×99=
(5)12÷1.25= (6)
÷2÷
= (7)99×
= (8)
÷3.5=
(9)(49﹣
)×
= (10)6÷(
+
)=
1.02﹣0.43= 1.25×8= (0.18+1
)÷9= 7
﹣2
= 6.5×4×
= (
+
)×4=
1
﹣
﹣
= 6.3×10%= 3.75﹣2﹣
=
﹣
÷5= 4
﹣(3.8+
)= 1
﹣1
÷3=
(
+
)×35= 3×9+3= 5.38﹣(2.38+1.8)= 5﹣1
﹣1.6= 14×
×
= 4.4÷1
=
1.25×
×8= 7.2÷8×4= 5
﹣
= 10.8﹣3.9﹣4.1= 2.5﹣
+1
= 1
+
+
=
直接写出下列各式的结果:
3.7+0.63= 5.1÷0.01= 500×3%= 2.5×6.7×4=
75×99= 1322﹣199= 4.9×8.1= 0.32﹣0.22=
×5.6= :
÷1.75=
=





=
×5=
÷
=
=
多0.5,乙数是多少?
米的铁条截成同样长的小段,一共截了7次,平均每段长 米.
×15= 5.4×
=
=
÷
= 0.75+0.75×99= 1.75﹣(
+
)=
÷3= 1÷
=
×
=
=
+
= 5﹣1.4﹣2.6= 0.4×8×25=
×49=
÷
=
×40%=
= 5×
÷5×
÷
+
=
×0=
= 400×60%=
×
= 0÷2012= 8π=
×21=
+
=
÷
=
,那么,△AEF的面积占长方形面积的几分之几?
.
AB,BE=EF=FC,CG=
.
.

,
.
= ③3.8+0.62=
⑥3
=
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