3 分数除法
直接写出得数
37+45= 24÷100= 1.5×40= 0.2×0.8=
1﹣0.16= 2.3+3.5= 3.2÷32= 18×30=
= 1﹣
=
=
÷3=
直接写出得数.
2306+400= 101﹣52=
×
= (0.25)2=
7.4﹣4=
×30%= 6÷17= 0.3+5=
1÷
= 41.64÷6.9≈ 0.24÷0.8=
÷2=
直接写出得数
1﹣0.375= 0.125×8= 280﹣45= 1.3÷0.25=
400÷600= 8.64×100=
+
=
﹣
=
×
=
÷
= 12×
= 6÷
=
直接写出得数.
40×0.25= 1.25×0.8= 0.1÷0.01= 0.6+1.9=
3.5﹣2.25= 12.8÷4=
+
=
﹣
=
12×
= 1÷
=
×
=
÷
=
直接写出结果(近似值符号的只要求估算).
2005+699= 0.45×101= 252÷39≈ 0.25×8.5×4=
×
=
÷
=
+
= 4.8×11﹣4.8= 1÷
×1÷
= 2÷0.02= 31×197≈ 2.68+9﹣2.68+9=
直接写得数:
2062﹣498= 1564468÷12= 3916.8﹣7= 9.81.25×2.4=
75÷2.5= 304÷100= 0.04
÷
= 12
﹣
= .
直接写出得:
83+2.7= 8.3﹣2.63= 6.3÷0.07=
÷6=
3.2﹣
=
+
= 2
÷3= 2
×
=
21
÷7= 0.99×9+0.99= 1.25×
×8=
+
=
×12=
÷
= 3﹣
=
= 3﹣
÷0.75=
+1= 2÷
=
×8÷
﹣
=
﹣
=
×
×
= 42÷[14﹣(50﹣39)]=
÷0.5= 1
﹣1
÷1
×8=
×5.6=
÷5×
+
)=
+0.29+
=
﹣
﹣
= (
﹣
)×20=
= 0.32÷0.8= 2.3+3.57= 7.3﹣2.8=
÷
=
+
= 1÷
×
+5=
+4﹣
×99+
= 1.75+
=
+
=
= 10×10%= 2.5×
=
÷
=
﹣0.4= 1.8×
=
小时=
=
+0.125= 2÷
×
×
= 1÷
= 0.7:0.25=
+
=
= 19÷
=
﹣
=
×
=
=
=
+
= 6﹣6÷6= 20×20%=
= 12.5×6.4=
﹣
= 121×
=
÷
=
﹣
×12= 1.7+3.03=
﹣
=
+
= 1﹣
=
+
=
﹣
=
×16=
×
= 36÷
=
÷
= 25×40%=
+
= (2)1÷
= (3)
×26= (4)
÷
=
﹣
= (6)12÷
×0= (7)2+
= (8)
×
=
+
+
= (10)
×
×5=
= 5.7﹣0.9= 0.5÷0.25=
÷4×
÷80%=
+
=
= (
)×12=
﹣
= 4.5×102=
×6= 8÷1.6= 0.42﹣0.32=
= 10×10%= 7×
÷7×
×
= 13×(2+
)=
×40%=
÷
=
×8+8×
=
÷3×
÷9.
= 12﹣2
=
= 1.25×
= 1÷0.6= 4
÷2=
×
= 0.32×0.05= 1.2÷
=
×
÷
×
= 6.8﹣1.08= 50×30%=
﹣
﹣
=
+
=
= 0.125×7×8=
=
=
= (
=
×
= 0÷
=
÷4=
÷
=
÷
=
×
=
÷b=
×18=
÷
=
×
=
×
=
=
÷
= 24÷
=
×
×
千克. .
÷
﹣
= 9
×
=
×
= 0.1400÷25= 16
÷
=
2.1﹣0.8=
×5÷
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