数学简算题,答对加分! 快!一.(1+1/5-0.1+2/15)*(0.2-1/10+2/15+19/6)-(1+1/5-1/10+2/15+19/6)*(0.2-0.1+2/15)二.159*(350350350/530530530)-105*(103/104)三.(59/2)*(2/3)+(128/3)*(3/4)+(197/4)*(4/5)+(296/5)*(5/6)快点啊!
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/18 00:12:42
![数学简算题,答对加分! 快!一.(1+1/5-0.1+2/15)*(0.2-1/10+2/15+19/6)-(1+1/5-1/10+2/15+19/6)*(0.2-0.1+2/15)二.159*(350350350/530530530)-105*(103/104)三.(59/2)*(2/3)+(128/3)*(3/4)+(197/4)*(4/5)+(296/5)*(5/6)快点啊!](/uploads/image/z/5290032-48-2.jpg?t=%E6%95%B0%E5%AD%A6%E7%AE%80%E7%AE%97%E9%A2%98%2C%E7%AD%94%E5%AF%B9%E5%8A%A0%E5%88%86%21+%E5%BF%AB%21%E4%B8%80.%281%2B1%2F5-0.1%2B2%2F15%29%2A%280.2-1%2F10%2B2%2F15%2B19%2F6%29-%281%2B1%2F5-1%2F10%2B2%2F15%2B19%2F6%29%2A%280.2-0.1%2B2%2F15%29%E4%BA%8C.159%2A%28350350350%2F530530530%29-105%2A%28103%2F104%29%E4%B8%89.%2859%2F2%29%2A%282%2F3%29%2B%28128%2F3%29%2A%283%2F4%29%2B%28197%2F4%29%2A%284%2F5%29%2B%28296%2F5%29%2A%285%2F6%29%E5%BF%AB%E7%82%B9%E5%95%8A%EF%BC%81)
数学简算题,答对加分! 快!一.(1+1/5-0.1+2/15)*(0.2-1/10+2/15+19/6)-(1+1/5-1/10+2/15+19/6)*(0.2-0.1+2/15)二.159*(350350350/530530530)-105*(103/104)三.(59/2)*(2/3)+(128/3)*(3/4)+(197/4)*(4/5)+(296/5)*(5/6)快点啊!
数学简算题,答对加分! 快!
一.(1+1/5-0.1+2/15)*(0.2-1/10+2/15+19/6)-(1+1/5-1/10+2/15+19/6)*(0.2-0.1+2/15)
二.159*(350350350/530530530)-105*(103/104)
三.(59/2)*(2/3)+(128/3)*(3/4)+(197/4)*(4/5)+(296/5)*(5/6)
快点啊!
数学简算题,答对加分! 快!一.(1+1/5-0.1+2/15)*(0.2-1/10+2/15+19/6)-(1+1/5-1/10+2/15+19/6)*(0.2-0.1+2/15)二.159*(350350350/530530530)-105*(103/104)三.(59/2)*(2/3)+(128/3)*(3/4)+(197/4)*(4/5)+(296/5)*(5/6)快点啊!
一.(1+1/5-0.1+2/15)*(0.2-1/10+2/15+19/6)-(1+1/5-1/10+2/15+19/6)*(0.2-0.1+2/15)
=(1+1/5-0.1+2/15)*(0.2-1/10+2/15)+(1+1/5-0.1+2/15)*(19/6)-(1+1/5-1/10+2/15)*(0.2-0.1+2/15)
-19/6 *(0.2-0.1+2/15)
=(1+1/5-0.1+2/15)*(19/6)-19/6 *(0.2-0.1+2/15)
=1 *19/6=19/6
二.159*(350350350/530530530)-105*(103/104)
=3x53x(350350350/530530530)-(104+1)(104-1)/104
=3x(350350350/10010010)-(104x104-1)/104
=3x35-104+1/104=105/104
三.(59/2)*(2/3)+(128/3)*(3/4)+(197/4)*(4/5)+(296/5)*(5/6)
=59/3+32+40-3/5+50-2/3
=19-3/5+122
=140.4