90%×80=
56÷8%=
200×5%=
0.6÷3%=
0.75×50%=
×20%=
÷25%=
120%÷30%=
x -40%x = x:=÷20%
÷10= ÷= += ÷=
×2.4= ÷= ×= -=
×÷×= 24×(++)=
×45= = ÷6= 1÷3×= 1.6÷0.08=
42×= ×0.15= = =
4.8+2.6= 0.12+0.8= 0.13+0.25=
0.13+0.87= 0÷0.125= 1.5÷0.1=
0.08÷8= 0.625÷0.875=
= 1.8-40%= 12÷=
×72%= 3.5×= -×=
×50%=