4.5×= 2-16%= 14÷= +×7=
+= 0.2÷40%= ×= ×8÷×8=
15×0.6%=
24÷80%=
1-85%=
6.6÷2.2=
10÷10%=
0.6+0.4×=
①
②
③
= 10÷1%= 5.6÷2= 1×7=
= = 1﹣= 5×÷5×=