长/个
宽/个
58+176+242
4×64×25
317×17-17×17
0.82×99+0.8 24.5+5.5÷5 8.3-1.3×(3.75÷1.5)
0.5×0.6=
0.16×0.5=
5.5×0.2=
3.5×3=
125×0.08=
0.01×0.1=
1.2×0.6=
1.7×3=
80×0.04=
0.25×0.4=
2.3332.3 2.09
0.98×0.950.95 0.043×1043÷100
205+97= 3.01﹣0.1= 0.25×3×4= 36×25%=
3×a×a= ×1.6= 4÷25%= 16.4+3.06=
1﹣ ÷ = ( ﹣ )÷ =