2.5*10.5简算要算式,
人气:286 ℃ 时间:2019-10-11 07:01:17
解答
2.5*10.5
=2.5*(10+0.5)
=2.5*10+2.5*0.5
=25+1.25
=26.25
推荐
猜你喜欢
- 已知函数f(x)=sin(x+π/6)+sin(x-π/6)+a(x属于R)的最大值是根号3 (一)求常数a的值
- 负二的一百零一次方乘负二分之一的一百次方
- 两根同样长为2米的铁丝,第一根用去五分之二米,第二根用去全长的五分之二,哪一根铁丝用去得多些
- 由甲乙丙三种商品,如果购买甲3件,乙2件,丙1件共需315元,购进购甲1件,乙1件,丙3件共285元,那么
- Bruce went to school _________( with) breakfast today because he got up so late.
- The boy is Tom.() is my good friend
- Paul like playing football.(对划线部分提问)
- Don't be afraid speaking English in public