口算
35+17= 11﹣0.6=
+
=
﹣
=
58﹣39= 32.8÷4=
﹣
=
=
4.6+3.2= 2.5×40=
×
=
+
=
0.43×3= 0÷5.8= 9
=
÷1=
直接写出得数．
19.3﹣2.7=
+
=×
= 5.1÷0.01=
11×
=
÷
= 15.7﹣7.5=（3.5%﹣0.035）÷
=
0.67+4.5= 1﹣0.52=
+5÷+5= 9×
+9×
=
2÷
= 0.32÷4= 1+
= 16×（
﹣0.25）=
3﹣
﹣
=
直接写得数
14.3﹣6.8=
×6=
=
= 25×32=8
2﹣
×0= 72÷9×8= 49×99+45= 1﹣
=
×6÷×6=
口算：
26.26÷26= 4.57+6.43= 7.9×11﹣7.9= 3.14×32=
3+
﹣3+= 0.1×30%= 2÷1%﹣2=÷
=
1.8×4×0.5= 1.5﹣1.5×0.3= 5.7+4.3= 1﹣25%=
18×
=
×
= 3.6÷12= 18÷
=
÷22=
÷5=
÷1= 1﹣0.6=
0.92﹣0.2= 0.52+0.4= 0.72÷0.9= 0÷0.24=
3.3÷0.1= 1÷0.25= 0.6×5= 0.2×0.4=
0.25×36=
×3=
×12= 4÷
=
÷
=
÷
= 10÷
= 3.5+47=
0.4×12×25= 10×= 260﹣48﹣52= 3.6÷12=
18÷
= 5.7+4.3= 0.25×36=
×3=
0.4×12×25=