直接写得数．
0.4+0.7= 1.4+4.2= 5.3﹣2.1= 0.7﹣0= 23×300=
600×20= 0÷5= 80×50= 40÷2= 0×7=
6300÷9= 40+8=
相关试题
直接写得数．
0.4+0.7= 1.4+4.2= 5.3﹣2.1= 0.7﹣0= 23×300=
600×20= 0÷5= 80×50= 40÷2= 0×7=
6300÷9= 40+8=
= 1÷
= 1÷
÷
=
×
= 1.8﹣40%=
×
=
÷
=
×
=
÷
= 4÷
=
×6÷
+6×
=（
+
）×16=
×
= 24%×5=
×
=
÷2= 80%﹣20%= 4×25%+16×25%=
=
×72%=
×
÷
=
×
÷
×
= 1÷
= 4×60%= 0.875÷0.125= 0.25×
×4=
÷2= 10÷
=
×3.6=（
）2=
÷
×0=
×
= 45×
=
÷10= 0÷8
=
=
÷
= 0.65×
= 50%﹣0.05=
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