4.9x0.98用简便方法计算

宫包尹43654.9x9.8十0.49x2的简便计算 -
宗弦琴13429829300 ______ 原式等于4.9*(9.8+0.2)=49 回答完毕~ 有疑问请追问~无疑问请点击【采纳】~ 祝学习进步\(^o^)/~~~

宫包尹43650.78*0.98的简便计算? -
宗弦琴13429829300 ______ 这是小学五年级数学简便运算内容,但是这是最近正在学习的小数的简便运算,具体解答过程如下:0.78*0.98 =0.78*(1-0.02)=0.78*1-0.78*0.02=0.78-0.0156=0.7644希望我的解答对你有所帮助!

宫包尹436542x0.98用简便方法计算 -
宗弦琴13429829300 ______ 42*0.98=42*(1-0.02)=42*1-42*0.02=42-0.84=41.16

宫包尹4365四点九乘一点零二用简便方法计算这题 -
宗弦琴13429829300 ______ 4.9x1.02=5x1.02-0.102=5.1-0.102=4.998

宫包尹43650.34x0.98的简便运算是什么 -
宗弦琴13429829300 ______ 0.34x0.98的简便运算 =0.34x(1-0.02) =0.34-0.34x0.02 =0.34-0.0068 =0.3332

宫包尹43650.98*105的简便算法. -
宗弦琴13429829300 ______ 0.98*105=0.98x100+0.98x5=98+4.9=102.9 请采纳正确答案,你们只提问,不采纳正确答案,回答都没有劲!谢谢管理员推荐采纳!!朋友,请【采纳答案】,您的采纳是我答题的动力,如果没有明白,请追问.谢谢.

宫包尹4365用简便方法计算0.98*56* 9.8*4.3 9.8 -
宗弦琴13429829300 ______ 用简便方法计算0.98*56* 9.8*4.3 9.80.98*56* 9.8*4.3+0.98=0.98*56+0.98*43+0.98=0.98*(56+43+1)=0.98*100=98.

宫包尹43654.8x0.98用简便方法计算 -
宗弦琴13429829300 ______[答案] 4.8x0.98 =4.8x(1-0.02) =4.8x1-4.8x0.02 =4.8-0.096 =4.704

宫包尹43650.98*4.3+9.8*5.7便怎么用简便方法 -
宗弦琴13429829300 ______[答案] 0.98*4.3+9.8*5.7 = 0.98*4.3+0.98*10*5.7 = 0.98*(4.3 + 57) = 0.98 * 61.3 = 60.074

宫包尹43656.7 *0.98简便计算 -
宗弦琴13429829300 ______[答案] 6.7 *0.98 =6.7*(1-0.02) =6.7-0.134 =6.566