① + ÷
②( + )×24
③32﹣1
④ × + ×
4.6﹣1.02= + = ÷2= ×3=
1﹣ - = 14÷21= 1.6÷10%= × ÷ × =
a﹣0.6a=
158÷199=
1÷20%=
1.5×0.8=
× =
5÷0.4=
0÷12=
1- =
12×2.5×4=
÷ =
0.89÷100=
2.8×0.1=
=
3.4÷8÷12.5=
( ﹣ )×18
÷ ÷
2.6× +2.4÷
1﹣ ÷( + )
①24×5+155÷5
② ×12.5× ×8
③
④ x﹣4=
78﹣0.8=
632÷70=
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小数: