3 分数除法
直接写出得数.
2009﹣29= 7.35+1.7= 0.42×30= 9.3÷0.03=
×0.375=
÷
×
= 2.8+0.2×20= (
﹣
)×36=
+
﹣
= 6.3×99+6.3=
直接写出得数.
6.3÷0.1= 240÷0.6= 2.4×5= 76+4.14=
84÷
= 1.02﹣0.6=
÷
= 46×10%=
32×0.25= 0÷
=
﹣
= 2﹣
=
0.56÷2.8= 1÷2.5= 32﹣23= 4÷
﹣
÷4=
直接写出得数
+3÷
=
×5×
= (
+
)×4= 81÷
=
﹣
=
×10= 5.5+12.4+4.5= 4﹣(0.6+1.9)=
1.9×4×0.5= 0.77+0.33=
直接写出得数.
25×24= ; 4.2÷0.2= ;
= ;
12﹣2
= ;
= 9
; 1.25×
= ;
1÷0.6= 1
; 4
÷2= 2
; 1
×1
= 2
;
1÷0.2= ; 4×5%= ; 12﹣
= .
口算.
800﹣250= 30×40= 8100÷900= 10﹣0.98= 105÷7= 560+770=
0.25×0.4= 6.3÷0.07= 0.64÷8= 8.85×10= 4.73+0.7=
=
=
=
= 3.6×
= 8×1.36×1.25= 7.2×2.8+2.8×0.8=
直接写出得数.
236+54= 1﹣0.65= 312÷3= 27×
=
3.75÷0.25= 2
﹣2= 0÷899=
÷
=
8.57﹣2.98﹣3.57= 18﹣8×2=
×
=
+
+0.6=
÷
= 3.8÷
= 0.9×
=
÷9×
+
=
×6+9×
=
=
÷2÷
﹣
= 1÷
=
×
=
+
= 2﹣
=
×
=
= 0.4×100=
+
=
÷
=
﹣
)×9×7= 200﹣175+25=
小时=
=
÷8=
+
÷3﹣
=
﹣
÷4=
×
÷
=
÷24=
×2.7= 1÷
=
÷4=
×
÷
×
×0=
×
+
×0=
÷
=
+
=
+
+
+
=
×7+
×7=
÷1= 2﹣
= 1.8×
= 39÷
=
= 1+45%=
×3÷
=
= (
)×15= 0.3×2÷0.3×2=
=
=
=
= 21÷
=
=
= 43= 8.5b+5b=
÷
=
×
= 5﹣
=
×
=
+
= 1÷
=
=
=
= 48÷
=
×
= 8﹣1
= 3
+7.6=
÷
= 200×75%=
÷6+
=
﹣(2
)=
= ③
+75%=
×
= ⑤
÷8= ⑥4
﹣
=
,乙数的
÷
=
﹣
=
×0.2=
÷
= 72.8÷0.8=
=
=
=
= 5.2+0.54+0.46=
=
=
=
=
.
÷60%= :
=
﹣
= 0.99+0.1= 14.4+56=
= 5﹣
=
÷0.66=
÷6= 1﹣
+
= 3.7×1000= 7×8×(
+
)=
÷4= 1﹣
=
+
= 2.5×0.4=
×
= 36×25%=
=
= 1÷(
)=
粤公网安备 44130202000953号