发布网友 发布时间:2024-09-27 07:27
共1个回答
热心网友 时间:2024-10-23 22:13
49.2-0.5*0.5-8.75=49.2-0.25-8.75 =49.2-(0.25+8.75)=49.2-9 =40.2
49.2减0.5乘0.5减8.75用简便算法怎么写?=49.2-(8.75+0.25)=49.2-9 =40.2
49.2-0.5乘以0.5-8.75的简便算法拜托了各位 谢谢49.2-0.5x0.5-8.75 =49.2-(0.25+8.75) =49.2-9 =40.2
49.2-0.5x050.5-8.75简算=49.2-(25+0.25)-8.75 =49.2-25.25-8.75 =49.2-(25.25+8.75)=49.2-34 =15.2
49.2减0.5乘0.5减8.75用简便算法怎么写?49.2-0.5x0.5-8.75 =49.2-0.25-8.75 =49.2-(0.25+8.75)=49.2-9 =40.2
49.2-0.5*0.5-8.75怎样简算=49.2-0.25-8.75 =49.2-(0.25+8.75)=49.2-9 =40.2
49.2-1.6ⅹ0.5-8.75的简便方法?脱式计算49.2-1.6×0.5-8.75 解题思路:四则运算规则(按顺序计算,先算乘除后算加减,有括号先算括号,有乘方先算乘方)即脱式运算(递等式计算)需在该原则前提下进行 解题过程:49.2-1.6×0.5-8.75 =49.2-0.8-8.75 =48.4-8.75 =39.65 存疑请追问,满意请采纳 ...
脱式计算 2.3+9×(22-19.7) 49.2-0.5×0.5-8.75.①2.3+9×(22-19.7)=2.3+9×2.3 =2.3×(1+9)=2.3×10 =23 ②49.2-0.5×0.5-8.75 =49.2-0.25-8.75 =49.2-(0.25+8.75)=49.2-9 =40.2
73.6+73.6×73 49.2-0.5×0.5-8.75 (291-38×3.5-35.5)÷我会!
49.2-49.2×0.7简便怎么写要简便49.2-49.2×0.7=49.2x(1-0.7)=49.2x0.3=14.76