要使(0.25+2.5)×4计算简便,可应用(a+b)c=ac+bc.______.(0.25+2.5)×4,
=0.25×4+2.5×4,
=1+10,
=11;
所以(0.25+2.5)×4可以运用乘法分配律进行简算;
故答案为:正确.
查询谷 - www.chaxungu.com
最新文章
- 2026-04-27要使×4计算简便.可应用(a+b)c=ac+bc. .
- 2026-04-27计算.(能简便计算的要简便计算)100.4-9+0.77÷1.1 98.7×0.9+98.7 89÷[(25+110)×34] 12-35×7-35×3.
- 2026-04-27+53=+65
- 2026-04-2725×45+56×61.2+7116÷76.
- 2026-04-27978×8+ 867×7+756×6+645×5.
- 2026-04-27134×58+15×62.5+0.625÷20.
- 2026-04-279999×7778+3333×6666.
- 2026-04-27计算:2005×38-0.375×1949+3.75×2.4的值为多少?