2.5×4=
1.8×0.5=
4.4×0.01×0=
0.6×1.5=
0.35×0.2=
0.8-0.8×0.9=
0.8×0.25=
4.8÷0.4=
0.33×2=
15÷0.125÷8=
0.51÷17=
9x+x=
0.7×2÷2×0.7=
1﹣0.06= 0.32×5= 6.9÷69 0÷0.036=
①26×15﹣200
②8×4×12.5×0.25
③×+
④12÷[()×]