3 分数除法
口算下面各题.
56+37= 80﹣16= 5+5= 12﹣1.1=
2×0.2= 2.87÷0.7=
+
=
﹣
=
= 30÷50= 25×8=
+
=
= 12×
= 1÷
= 0×
=
直接写得数
0.3÷
= 4﹣
=
×12= (4.2+
)×2×0=
3.7+5= 300×0.3%=
×
= 3×1
+3×
=
1+
÷1+
= (1
+
)÷
= 4×
×0.25= 0.125×32=
直接写出得数.
4÷0.8= 0÷
= 1﹣
= 100×1%=
0.45×1000= 9÷
= 8.7﹣7=
+
=
786﹣298= 3.14×8=
÷
= 25×0.7×4=
2﹣2÷3= (
﹣0.375)×5=
×
÷
×
= 75﹣2.1﹣2.9=
直接写得数.
①10﹣4.7= ②
÷5.25= ③
÷
= ④1÷
= ⑤4÷9×
=
⑥3.5÷40= ⑦
+6.25= ⑧0.74×100= ⑨12.2+8%= ⑩15×(
+
)=
直接写出得数.
0.333×3≈ 0.375×0.375= 734﹣298= 24
÷8=
2.8×25+1.2×25= 0.48×
= 1.25×
×8= 8.2+0.54+0.46=
直接写出得数.
(1)
×1.6= (2)0.9﹣0.26= (3)7÷1.4= (4)18
÷6= (5)(
+
)×12=
(6)2.5+1
= (7)2.6﹣1
= (8)11﹣1
= (9)1
×
= (10)1﹣2
÷2.04=
直接写出得数
6
+0.25=
×
=
÷
=4
÷7=
2.6﹣1
= 8×
= 3﹣1.05= 3.25×4=
63+84= 3.14×52= 25×
×4= 1
+
+3
=
直接写出得数.
1﹣0.27= 0.875÷5= 0.7+0.63= 3.6÷0.06= 99×66+66=
8﹣5
= 2÷
= 0.13+
+0.87= 72×38≈ 908÷31≈
直接写得数
0.03×0.6= ; 0.375÷
= ; 1.25×0.4×2.5×80= ;
20﹣10
= ; 36×(
﹣
)= ; 21.82﹣
﹣4
= ;
144×
= ; 125×56= ; 13
+4.37+5.63+6
= ;
= ; 7.2÷0.4= ; 777×9+111×37= .
直接写出下面各题的结果.
127+38= 1.02﹣0.43= 8.8÷0.2= 2﹣1
=
×1
= 1÷7+
= 1﹣1×
=
+
=
÷
= 14÷
= 0.23×4= 5×3.14=
700×0.01%=
×
=
÷25%×
=
×2÷
×2=
直接写得数.
180+470= 5÷8= 25×2.4= 12﹣
=
÷14=
+
= 1.25×
×0.8=
×
=
÷
=
﹣
=
×4÷4×
= 2.4×
=
(
+
)×16= 12.01×9.98≈ 2÷0.2%= 60×20%=
÷5×
=
×15= 4.6+4= 4.7×9+4.7=
= 46×10%= 5﹣
﹣
=
= 0÷
= 32﹣23=
÷2=
= (
+
)×72=
÷
=
÷5.25=
+6.25= 0.74×100= 1÷
=
×5+
×8= 15×(
+
×
=
×
=
﹣
=
÷
=
+
+
=
=
÷
=
= 1÷
×
= 25×0.4=
=
×
=
÷2=
÷
=
= ④
﹣
=
÷
= ⑥3.9÷13= ⑦0.125×0.8= ⑧
×
=
÷8.6 4.65+
+
﹣
﹣0.25 5﹣
÷
﹣
+
×3.5 9.9×9+9.9.
= 8.5×101= 217+398﹣102=
﹣0.01= (
+
)×4=
.
= 44÷
=
= 2﹣
=
÷2=
=
=.
=
= 3.9×10%=
=
=
=
=
= 25÷25%=
÷0.125
÷1
0.25×1
÷3×
+
+
﹣0.625)
= 100÷0.01=
= 1.01×0.8=
=
=
=
=
= (1.01﹣0.91)×15=
=
=
=
×
=
÷42=
÷
=
+
= 2÷1%=
=
+
+
= 1÷
×5= 0.2:
= 37.06﹣3.69=
×3= 4÷
= 125%×8= 32=
﹣
= 2.5×4= 5.7﹣0.57= 0×12.5=
﹣
=
÷6=
+
= 3.7×1000= 7×8×(
+
)=
×
=
÷2=
÷
×0=
×4+
=
÷
= 4×
×
=
粤公网安备 44130202000953号