3 分数除法
口算:
0.125×16= 3﹣1.06= 0.6÷6= 16.8﹣7=
1.01×0.2×0.1= 11﹣1
= 1
+1
= 9
﹣9.875=
3.14×8=
﹣
= 2
﹣1
= 2
÷4
=
1.625÷1
= 7
﹣0= 0.1+0.2×0.3=
+
÷
+
=
直接写得数.
①0.6+
= ②
+
﹣
+
= ③4×4.3×0.5= ④
÷25%= ⑤
÷3+3÷
=
⑥6.73×99+6.73= ⑦10﹣1.04= ⑧7×
÷
÷9= ⑨72.8÷0.8= ⑩2.3×
÷0.01=
直接写出得数.
10÷0.01= 8×(1﹣0.75)= 11﹣1
﹣2.125= 0.045×
=
5÷
÷4= 1÷8﹣1÷8= 9.98﹣(2.98+1.2)= 7
﹣(1
﹣0.5)=
直接写出得数:
(1)198﹣99= (2)6.28+3.72= (3)8×1
= (4)27
÷9=
(5)25×32= (6)3.05÷100= (7)3÷
= (8)(
+
)×24=
直接写出得数
20×500= 2÷7= 10﹣0.95= 0.48÷0.12=
1.2÷67= 34+13= 123×15= 2﹣67=
176+99= 1÷12﹣12÷1=
直接写得数:
①66×2.011+0.34×201.1= 201.1②
÷18=
③0.805÷0.7=
④(3.6×
×1.2)÷(1×2.4×0.18)=
⑤4270÷14+305×99= 30500⑥100﹣58.3÷3﹣6×13.4=
⑦(2×5×7)×(
)= 59⑧
= .
= 13÷39= 1.5×0.2=
= 2﹣
=
= 8.9×11﹣8.9=
=
=
=
+
=
×5.4=
÷
=
=
÷18= 26.8×20%=
×
=
×27÷
= 49÷2.5÷4=
= 352+198=
+
=
×
=
= 0.7:0.25=
=
÷12=
×
= 0×
=
=
×
= 5÷
=
÷
=
÷
= (
+
)×16= 0.8×1.5=
﹣1÷3=
= 8﹣
= 2.5×6.7×4=
=
+
×(8+5)×
=
÷3= 4.2÷0.07= 11×
=
= 7.2×
= 8﹣
=
=
×0÷
=
÷
=
+
=
×
=
= 0.625+
= 98×101= 18×
=
÷15= 9.25×0.125+
×
=
= 0.98÷7=
﹣
=
+
)÷8= 28×
×0= 701﹣2.32= 1﹣
=
×4=
÷
1÷
×
+
×0 7×
÷7×
+
×0=
=
÷
+0.75×8=
=
=
= 343﹣
=
= 5÷
=
×
= 2.5÷5=
= 0.23=
×
= 6.75﹣(1.9+
)= (
+
)×72=
×31+31÷6=
=
=
=
=
×2=
=
+
= 1.2﹣
=
÷
= 2.5×4÷4=
+
÷
+
= 0÷(
﹣
)=
=
=
)×5= 100÷100×4﹣0= 5.8×101=
= 1÷0.01+1÷0.01= 6﹣
+
=
=
=
=
=
=
÷11=
= 1.2×0.3= 2.5×0.4=
=
=
=
=
+
=
×
= 1÷
=
=
=
=
=
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