直接写得数．
3.86+2.4= 7.6﹣0.56= 4.5×102= 3.25+2.3+1.75=
361+199= 7÷0.4= 4
= 
=
2.5×32= 
= 0.1÷0.01= 3.47﹣（2.5+0.47）=
4768÷791≈ 12÷
= 1÷
=
= 5.58÷0.78≈
4.98×7.11≈ 
= 
=
相关试题
= 
+
=
÷8= 
÷
= 
÷6=
÷
+
×
= 
×8+8×
= 5﹣
=
= ； 0.4÷
= ； 
= ；
= ； 37.5%+
= ； 6÷
= ； 
÷
= ；
÷
= ； 30%﹣25%= ； 0÷
= ； 
÷
= ．
+
= 2÷
= 
÷
=
÷
×
= 
×9+
×
=
+1.125=
的90%是多少？
正好是96，这个数是多少？
= 
= 
=
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