+=
-=
1-=
3.2+1.78=
0.230.1=
0.48÷120=
65÷7=
5÷4=
①= ②= ③= ④= ⑤= ⑥=
1.5
0.625
0.3
1.8
0.04
0.4
0.5×1.6= 6÷15= - = + = 1- =
+ = - = 0.3+ = -0.25= 3- - =
8×1.25=
( )×8=
4.8+6= 0.8×0.6= 2.4×0.5= 1.25×8=
4.5-0.45= 3÷0.5= 63÷0.9= 1.2÷6=