÷75%= += 0.56÷28=
2.826÷3.14= 0.5×4÷0.5= 0.42=
≈
=
85%=
32.4%=
87.5%=
12.5%=
25×20%= 16÷40%= ×= ÷=
×= ÷4= ÷= ×=
×= 6×= ×= ×1.2=
÷4= 0÷= ÷= ÷0.5=
4.9×= ÷= ×60%= (-)×28=
20÷10%= 2.25-= 42×8%= ×÷×=