问题
填空题
10千克减少10%后是______千克，______千克增加10%后是11千克．
答案
（1）10×（1-10%）
=10×0.9
=9（千克）
答：10千克减少10%后是9千克．
（2）11÷（1+10%）
=11÷1.1
=10（千克）
答：10千克增加10%后是11千克．
故答案为：9，10．
搜题请搜索小程序“爱下问搜题”
10千克减少10%后是______千克，______千克增加10%后是11千克．
（1）10×（1-10%）
=10×0.9
=9（千克）
答：10千克减少10%后是9千克．
（2）11÷（1+10%）
=11÷1.1
=10（千克）
答：10千克增加10%后是11千克．
故答案为：9，10．
| 用方框内所给词语的适当形式填空。 | |
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