相关试题
直接写出得数（约等号的填估算值）．
2.8+0.12= 2.5×0.4= 9÷1.5= 4000÷125÷8= 
﹣
=
10﹣
= 
÷
= 
×4÷
×4= 9.19×9.8≈ 27.475÷3.14≈
÷2×0= 
×4+×2=
﹣
= 0÷1= 12.5×8=
×
= （
+
= （ ）÷
=1 032=直接写出得数．
0.77+0.33= 24×2.5= 9.9×36= 6﹣
﹣
=
503﹣1.8= 
×5.6= ：
= 13÷6.5=
0.6×0.6÷0.6×0.6=
÷
= 1÷
= 1.5÷0.05= 2.5×0.4=
÷3×
= 1﹣40%=
=
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