4.8×3.5= 0.168÷=0.35
4.6÷0.024.6÷0.2 4.48×0.464.48×0.406
3.2÷0.13.2×10 6.56÷4.21
5.25×0.755.25 35.4×44.235.3×44.3
12=( )+( )
16=( )+( )
18=( )+( )
▲ =( )+( )
8.1×100=
0.25×6=
0.05×0.04 =
0.3×50=
0.72÷8=
2.8÷100=
0.3÷0.03=
1.4÷0.04=
①
②7.5×8×12.5
③
④193﹣16﹣84