怎样简便怎样算．
7.28﹣（0.8+3.28） 3.15+1.83+6.85+2.17 13.86﹣2.99
13.92﹣（3.92﹣2.74） 2.72﹣3.98+5.28﹣2.02 0.27﹣4.9+4.83+2.9．
相关试题
怎样简便怎样算．
7.28﹣（0.8+3.28） 3.15+1.83+6.85+2.17 13.86﹣2.99
13.92﹣（3.92﹣2.74） 2.72﹣3.98+5.28﹣2.02 0.27﹣4.9+4.83+2.9．
×0=
×
=
×12=
×
=
=
÷
=
×
=
÷
=
=
×
= 1÷
=
÷
=
×12=
÷
=（ 
）2= 4﹣4×
= 1
×
= 43÷
=
÷
=
×8+
×8= 0.9×
= 12×
﹣
×7÷
=
÷
=
÷
=
÷1=
÷
= 1+
=
×
=
×
=
=
+
÷8=
﹣
=
×1
=
﹣
= 0.25×0.4=
÷
=
= 16×（
﹣
）= 4×25%=
÷4=
粤公网安备 44130202000953号