= = =
11.7+2=
8.5+0.9=
1.3﹣0.9=
46+54×0=
5﹣2.7=
3.65+2.45=
48.3÷10=
100÷25×4=
0.6×4=( )
①8.8×0.5+0.32
②2.5×38×0.5
③5.2×3.6﹣3.2×3.6
④7.09×99+7.09