1.5+0.7=
5×0.35=
1.7×0.25×4=
5.2÷1.3=
8-0.58=
3.6-3.6÷9=
8.7-1.75=
0.03×10=
0.72÷0.9=
0.125×0.4=
+=
-=
1-=
3×1.4=
1.56÷0.78=
0.63÷0.7=
10-0.55=
( ) ( ) ( ) ( ) =( )
1.5×1= 910÷70= 2.2﹣1.9= 6÷7= 435+199=
+= -= ÷= 20×= ×=