①
②
③
④
⑤
⑥
①×
②÷10
③×42×
④÷÷
⑤÷8×
⑥×÷
- + ÷ ×
15× 0.25÷ - 2.1÷
0×(+) ××6
0.56÷0.8= = = =
5×( )= 30×= 0.53= 3﹣=
810÷30= 0.38+3.8= 0.15×0.2=
÷= ﹣×0= ×3÷3×=
4.68﹣4= += 0.8×= ÷= 0.42=
12.6÷3= ÷0.75= 3.8÷10%= 41×348×0= 1÷3×=