5.4+2.6÷4
36×()
12.5×3.2×25
15÷()
477﹣199=
5%÷0.01=
36×99=
15﹣+=
5÷﹣÷5=
6.7×0.25×4=
0.4×12.5×8×2.5=
×5÷×5=
2.4×=
1.6÷8%=
÷×=
0.25×32×0.125=
-=
3.14×(0.4÷2)2=
2.72+3-2.72+3=
1-0.09=
①2.58 +8.81 +7.42
②
③
④
(+-)×24 ×(0.6÷-) 5×(-)÷
①0.64+99×0.99+0.35 ②
③25%× ④3.2×125%×25%
(只)