我能算得对又快．
28+6= 50×9= 0×7= 35﹣7= 400×8= 800﹣610=
600×5= 63÷9= 
+
=
﹣= 1﹣
= 
+
=
8×9+8= 213×6≈ 49×4≈ 316+794≈
相关试题
×54．直接写结果．
×
=
÷
= 1111÷11= 4.6+4= 1÷12.5%=
= 102﹣33=
= 10.8﹣9.9﹣
= 0.9×9+0.9=
5.38﹣（1.8+2.38）= 121×29≈ 238÷41≈
= 2﹣2÷9=
=
×14= 36×
= 1÷
=
×
×6=
×
= 11﹣
= 23×52=
×2.8 0.5÷0.01 2﹣1.4 2.5×12 2.3÷10%
）÷3．
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