0.98+9.2=
4.6÷0.1=
0.2×25=
7.5+2.5÷5=
6.8×(101﹣1)=
2﹣=
+=
2.7÷=
2﹣﹣=
3×÷3×=
①8(x﹣6.2)=41.6
②15.8﹣ +14.2﹣
③0.125×76+12.5%×24
④ x+ x=30
⑤
⑥
①125×32×25
②0.9+99×0.9
③1.25×7×0.8
④3.72﹣(1.72﹣0.85)
月份
用电量/千瓦时
电费/元
4
50
25.00
5
80
38.00
0.125+= ﹣= 8×75%= 3÷=
2﹣20%= 0.72÷0.8= ×= 5%÷=