1+75%= 0.24×50= ÷2= 0÷ =
58+62= 1.5×0.2= 0.63÷0.7= 10%×10=
-0.5= ÷8= - × = 1- + =
1.25×8= 0.52= a- a= ÷ × =
85%-0.6= 180%÷50%= 0.52-0.42= 36÷ = 1.25×7×8=
×2.4= 40×20%= 1-35%= 0.5× = × ÷ × =
4.3+3.57= 1-35%= 0.33= 30÷10%= 72×( )=
= 2- = = 7÷ = ×4÷ ×4=
-50%=
3÷60%=
0.2:2.5=
×÷×=
10﹣0.09=
0.68++0.32=
÷=
1-÷=