20÷0.7≈ 20÷1=
20÷0.8= 20÷1.1≈
20÷0.9≈ 20÷1.2≈
18÷0.2=
0.3÷0.4=
4.8÷6=
7.5÷0.5=
0.6÷12=
7.23×0.1=
3.2÷0.32=
6.06÷0.6=
3.2×3=
0.6×0.5=
8.8÷0.4=
0.65+0.14×0=
0.75÷0.5=
5.3×4=
32+1=
7.2-7.2×0.1=
13.5÷5( ) 16.57÷17( )
42÷84( ) 0.96÷32( )
①4.85×12.5×8
②6.74×99+6.74
③9.64-2.64÷0.4
④2.41×8.54-1.41×8.54
⑤16.8÷20÷5
⑥4.5×102
86×94÷47=
(294+5577)÷57=
40000-125×38=
6396÷(451-369)=
①6.5-0.5×2.5
②36.8÷4÷25
③4.6×10.1
④37.5-7.5×(0.4+1.6)
⑤5.2×13.7+8.63×52