简便计算
355+260+140+245 98×101 48×125 645﹣180﹣245
38×99+38 3500÷14÷5 175×56+25×56 50×25×20×40．
相关试题
简便计算
355+260+140+245 98×101 48×125 645﹣180﹣245
38×99+38 3500÷14÷5 175×56+25×56 50×25×20×40．
= 
×15= 2﹣
= 1+2%= 
+
×
=
÷
= 5÷
= 
×75% 
×4×
= 
×99+99×
= 
÷
= 12÷
= 
÷
=
÷
= 
÷16= 
÷
= 
÷
=
÷
（2）38÷
（3）
÷
（4）
÷13．
= 
+
= 
= 1﹣25%= 
÷18=
+
）= 
×
= 4.3×99+4.3= 
= 
=
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