10﹣0.78=
7.5×20%=
×1.6=
2.5×4+2.5×4=
0.52=
0.8÷0.01=
1﹣1÷9=
24×25%=
49+20= 600﹣340= 1.7+0.2= 1﹣0.3=
+= -= 0.9×0.4= 1.6÷4=
×= ÷= 1.7÷1%= ×1.2=
16÷20%= 4.8÷(0.4+1.2)=
-(-)= 12÷0.25÷4=
5.5+4.5= 6.2-5= × = 2.4÷0.2=
+ = 3×20= ÷ = 0.44×5=
①367+33=
②9﹣5.2=
③0.6×0.2=
④﹣=
⑤÷=