54÷4÷0.25
12.5×8.8
4.8÷( 1.2÷0.5 )
4.3×0.128 0.082×0.14 2.5×3.2
0.3×0.2= 0.7×0.3= 0.02×0.2= 0.8×0.5=
0.78÷0.01= 4.8÷0.06= 4÷0.25= 3.2÷0.05=
0.6565 0.666… 4.376…
1.0505… 0.4444 8.03
①216÷(18×6)
② × + ÷
③( - )× ×36
④125%×2.5×3.2
⑤4.67-(0.67+2.98)
⑥ ÷[2÷( - )]