圆心角是120°的扇形面积等于圆面积的 ．
0.18÷0.6=
+
=
×5.4=
÷
=
4×
=
÷18= 26.8×20%=
×
=
×27÷
= 49÷2.5÷4=
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
11﹣1.1= 1.26÷0.3= 12.5×
= 13÷39= 1.5×0.2=
87.5%×
= 2﹣
=
= 8.9×11﹣8.9=
=
6×
=
=
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=
+÷+=