0.57+4.3=
×=
73×101=
-=
2.4÷0.1=
2.6×-×0.6=
+x= x﹣15%x=170 x:=:2
(1)24+42=
(2) ﹣ =
(3)0.56÷0.7=
(4) ×0+ =
(5)20%×5=
(6) ×6=
(7)9.9n+0.1n=
(8)1÷0.25÷40=
16.15÷1.7+0.85÷1.7=
199+99×99=
(+++)×=
2.25× +2.75÷1+60%=
99999÷5+9999÷5+999÷5+99÷5+9÷5=
24×5=
91+199=
7.8+2.2=
5.3﹣2.7=
9÷0.1=
2.5×0.4=
+0.25=
× =
x
2
?
y
100
50