①4041 ×
②18÷()
③
④25%×+0.75÷+8÷9
⑤×5+85×
⑥4.2×()×
×60%
75÷()
27×()
36×()= ÷3= 25%+(-12.5%)÷=
25%× + ×25%
( - )×48
12×( +)
2.8×25+12×2.5
①75%×+×75% ②7×(×) ③(+)÷×
37.5×+37.5×62.5%+62.5×0.75
①6.4×2.5×1.25
②8.5×98%
③÷4+×
④×
①
②
④
⑤
⑥
①2021÷1.25÷
②5.74×12.5%+1.26÷8+
③(-0.6)÷(-)
④0.8÷[(+)×]