40×(1+10%) 40÷(1+10%) 35×(1+10%)
50÷(1+15%) 40+0.1% 20×20%
×21=
1-20%=
43%×100=
0.5×20%=
2.4×50%=
60×30%=
21÷70%=
84÷40%=
2-57%=
1.2+20%=
36×75%=
57÷57%=
①6.4×2.5×1.25
②8.5×98%
③÷4+×
④×
2﹣30%= +25%= 4.23﹣23%= ×=
3+= 4×15%= = +50%=