×16= 12÷ = × = 0× + = ×4× =
1÷ = ÷ = ÷ = + × = × ÷ × =
①x+30%x=3.9
②-0.5x=12.5%
③x×(1-15%)=47.6
1-26%= 3.5×= 18÷=
÷0.15= 10÷10%= 80×(0.875+)=
3.14×6= 2×3.14×12= + =
0÷20%= 60×30%= 25÷40%=
36× = ÷ = 3× ÷3× =
= = ×0= =
×12= = 45×= ×=
÷5=
÷14=
÷7=
÷=
480÷60= 3.72+6.28= +×1=
235+99= ﹣= 12×÷12×=