×10= 0.75+
=
×
= 3.14×4=
÷5+5÷
=
÷
=
-
= 75%÷
= 8×3.14= 0.9×9+0.99=
÷80%=
-
= 13-
= 12×3.14=
×0×
=
8×12.5%= ÷
=
÷9= 22×3.14=
÷
×
÷
=
÷0.6= 16×
=
+
= 3.14×52=
+
-
=
+
= 40%÷4%= 0.4-
= 7×3.14=
÷(
-
)=
÷28=
÷20%= 108÷
= 3.14×82=
÷5×0.6=
×
= 2-80%= 30%+25%= 2×3.14×8=
-
+
-
=
÷
= 37.5%-
= 75%×0.2= 2×3.14×10=
+
×
=
20÷( )= =( )(小数)=( )%=( )折=( )成。
①( -
)×88
②13-48×( +
)
③(34+ )÷17
④ ÷
+
×
⑤( +
-
)×12
⑥ ×
+
×
+
⑦ ×0.6+
÷
⑧(15-15× )×
⑨ ×
+
×