125是25的几倍？
用简便方法计算．356+201 16.54﹣（6.54+） ÷34+×．
计算下面各题，能简算的要简算．（1）（2）12（3）（4）（5）（6）2．
1+0.5%= 0.8﹣= 0.5﹣= = 365﹣199= = 3×= = =
270×0.4×2×2.5×0.5 95×38+62÷．
口算题= = = 10%+0.9= 7﹣7÷8=7﹣7÷8= 79×99= 4÷7+3÷7= 6.8×= ==
） 
÷34+
×
．
．
= 0.5﹣
= 
= 365﹣199= 
= 3×
= 
= 
=
．
= 
= 
= 10%+0.9= 7﹣7÷8=
= 
=
=
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