125×4×0.8×2.5
40%+2.8×40%+6.2×40%
×21=
1-20%=
43%×100=
0.5×20%=
3÷=
×1.2=
10÷10%=
6×40%=
÷5%=
÷21=
3.14×101=
(+)×4=
2.4×50%=
60×30%=
21÷70%=
84÷40%=
2-57%=
1.2+20%=
36×75%=
57÷57%=
①12.5×20%×32
②87.5×0.25+75×87.5%
③(1-50%×)÷30%
④4.15-3.75×10%-
①(1-×)÷75%
②-80%×+25%
③4.8÷3×50%
④7.2×25%+2.8×25%
⑤÷(+75%)
⑥12÷×60%
901-698≈ 391÷41≈ ( + )×12= 3.9×4×0.25=