3 分数除法
直接写得数.
3.14×22= 4÷6= 100×0.1%= 0.36+0.4=
3.75﹣1.25+0.25= 1.6×1.25= 734﹣198= 637÷8≈
1﹣23%= 35%+55%= 0.2+20%=
+12.5%=
10×10%= 100×87%= 1÷1%= 20%÷5%=
×4= 6﹣
=
÷
=
×
=
÷
=
×
= 0÷
=
÷4=
口算.
4×25%= ;
= ; 0.4÷
= ;
= ;
= ; 37.5%+
= ; 6÷
= ;
÷
÷
= ;
÷
= ; 30%﹣25%= ; 0÷
= ;
÷
= .
数一数,填一填.
某校五(1)班11名男生立定跳远的成绩如下(单位:cm)
168 170 175 175 175 178 180 182
182 192 205
(1)这组数据的中位数是 ;众数是
(2)如果成绩达到180cm为良好,那么达到良好的人数占
.
直接写得数
(1)5﹣
= (2)
×16= (3)
÷
= (4)
×
=
(5)
+
= (6)(
+
)×8= (7)
﹣
= (8)6﹣
=
(9)10﹣
﹣
= (10)
×6= (11)
÷
= (12)1÷
=





+3=
×
=
﹣
=
×
= 134﹣18= 1.5×4= 7.45+8.55=
= 2.4﹣
= 3.5×
=
×
=
=
×
=
÷
=
×
=
= 2.4+1
= 1÷1.25×8=
=
= 10
= 8
+
=
×1.8=
=
= 0.78+1
+0.32=
=
+
=
×
=
﹣
=
÷
= (
)×6= (2+
)×8=
= 1﹣
﹣
=
= 2.7×
=
=
×200=
÷8=
= 0.52=
+
= 44÷
=
÷
= (0.875﹣
)÷
= 4×
= 5×
÷5×
=
=
=
的90%是多少?
正好是96,这个数是多少?
+
= 2÷
=
÷
=
÷
×
=
×9+
×
=
+1.125=
=
+
=
÷8=
÷
=
÷6=
÷
+
×
=
×8+8×
= 5﹣
=
=
=
÷4=
=
= 1÷10%= 0.75+125%=
=
=
=
=
=
=
=
=
=
=
=
= 2.5÷
=
=
=
,则乙数是甲数的3倍. .
﹣
=
=
×
= 2﹣
=
×11=
×
= 0×
=
÷
÷
= 4÷
=
×
=
×
=
+
=
÷12=
+
=
×
=
+
+
=
=
÷
= 0.32= 7.2×0.25×4=
﹣
﹣
=
×
= 1÷
= 4﹣
=
÷
= 8÷
=
×0= 2×
=
÷8=
=
﹣
= 100×
=
×27= 5÷
=
×
=
÷12=
×4=
÷
=
错写成乘
=
=
=
=
=
=
=
=
×3= 5÷
=
÷
×2= 100×29%= 0.625×0.4=
÷
=
+
=
×(
+
÷
=
,则男生比女生少
. .
倍是1,这个数是多少?
= 10
×2= 1﹣4÷7=
= 5.2×6= 3.85×0+2.4= 21
÷7=
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