÷25%= 20×50%= 4.5÷9%= 40%- =
1×10%= 60%÷ = 87.5%× = 1+8%=
①9x+ 18= 54
②4x-1.6x= 60
③6:0.3=x:
绕口令
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票数
14
10
占总票数的百分比
10%
25%
30%
5÷0.02= 37.6-25.8= 234÷3= 45×7%=
2.4×2.5= ×5.6= ÷ = + =