3.25+6.75=
a×a=
5a+7a=
9×99+9=
5.4+0.6=
0.57×1000=
24-19+24+19=
8.8-0.7=
90÷100=
6.25-0.8=
3.26÷1000×100=
26×101-26=
9600÷[(305-290)×4] 400-400÷25+75
78.5+4.67=
25.12﹣6.89=
72×2= 120÷6= 2.2+0.8= 2400÷4= 16÷100=
5.5-2.4= 0.01×100= 0÷18= 2.5×10= 0.7÷100=
2.8+0.3=
9+0.1=
1-0.25=
2.5×4=
9-8.8=
6.8-1.7=
0.45×100=
0×2.69+1.2=
25×2= 64÷2= 100-45= 11×9=
50×6= 15×4= 37+63= 50+80=
387+=804 618-=256 ÷42=105
374÷=14......10 ÷9=0 ÷173=1
①273﹣73﹣27
②1.25×9.78×80
③()×24
④[1﹣()]÷