0.68×3.75= 0.756÷0.18=
15.4×2.6≈ (得数保留到十分位) 23.7÷1.05= (得数用循环小数表示)
2 8×3.05= 16.88÷2.8≈(得数保留两位小数) 25÷3.3=(得数用循环小数表示)
4.7÷100=
1.6×0.3=
0÷9.4=
2.8×0.5=
4.2÷0.14=
9÷0.08=
0.56÷0.8=
50×2.2=
8.5÷0.18.5×10 7.377.37
10÷1.2510 A×0.5A÷0.5(A>0)
1.68×0.65= 2.49×7.2=
0.63÷0.21= 3.14÷0.82≈ (保留两位小数)
0.84×0.45= 41.9÷0.75≈ (精确到百分位)
3.3×6.9=22.77
3.33 ×66.9=222.777
3.333×666.9=
......
88.83÷9=9.87
88.884÷9=9.876
96-69= 0.72+2.8= 0.125×0.8= 0.32÷0.1=
4× ÷4× = 7÷ = 1- =
403×19= -80%= ( - )×12=
687+95= 0.46+4.9=
0.5×2.4= 0.84÷0.7= 2.6× =
1.25× ×8=