0.35+0.5=
8-2.8=
10000÷125÷8=
250×9×4=
10.6÷100=
199×50+50=
7.68+3.89-5.68=
9+72÷9×0=
23×20＝
4.3+3.4＝
7.56﹣2＝
20.8÷10＝
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=
