40×(1+10%) 40÷(1+10%) 35×(1+10%)
50÷(1+15%) 40+0.1% 20×20%
24×25%=
160÷40%=
1-72%=
36%+64%=
80×(1+25%)=
60÷(1-40%)=
45×(1-20%)=
72÷(1+20%)=
①6.4×2.5×1.25
②8.5×98%
③÷4+×
④×
2﹣30%= +25%= 4.23﹣23%= ×=
3+= 4×15%= = +50%=