用简便方法计算:456+79-56-79=?108+『66+92+224』=?274+87-74-87=?3600÷48=?397x101-397=?6500÷{65x25}=?{67x76+76x58}x8=?{125x99+125}x64=?375÷25=?3500÷125=?7250÷125=?22400÷56=?125x11x8x7=?88x25=?2200÷25=?33000÷125=?7800÷25÷4=?18000÷8
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/04 07:40:37
![用简便方法计算:456+79-56-79=?108+『66+92+224』=?274+87-74-87=?3600÷48=?397x101-397=?6500÷{65x25}=?{67x76+76x58}x8=?{125x99+125}x64=?375÷25=?3500÷125=?7250÷125=?22400÷56=?125x11x8x7=?88x25=?2200÷25=?33000÷125=?7800÷25÷4=?18000÷8](/uploads/image/z/265349-29-9.jpg?t=%E7%94%A8%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E8%AE%A1%E7%AE%97%EF%BC%9A456%2B79-56-79%3D%3F108%2B%E3%80%8E66%2B92%2B224%E3%80%8F%3D%3F274%2B87-74-87%3D%3F3600%C3%B748%3D%3F397x101-397%3D%3F6500%C3%B7%7B65x25%7D%3D%3F%7B67x76%2B76x58%7Dx8%3D%3F%7B125x99%2B125%7Dx64%3D%3F375%C3%B725%3D%3F3500%C3%B7125%3D%3F7250%C3%B7125%3D%3F22400%C3%B756%3D%3F125x11x8x7%3D%3F88x25%3D%3F2200%C3%B725%3D%3F33000%C3%B7125%3D%3F7800%C3%B725%C3%B74%3D%3F18000%C3%B78)
用简便方法计算:456+79-56-79=?108+『66+92+224』=?274+87-74-87=?3600÷48=?397x101-397=?6500÷{65x25}=?{67x76+76x58}x8=?{125x99+125}x64=?375÷25=?3500÷125=?7250÷125=?22400÷56=?125x11x8x7=?88x25=?2200÷25=?33000÷125=?7800÷25÷4=?18000÷8
用简便方法计算:
456+79-56-79=?
108+『66+92+224』=?
274+87-74-87=?
3600÷48=?
397x101-397=?
6500÷{65x25}=?
{67x76+76x58}x8=?
{125x99+125}x64=?
375÷25=?
3500÷125=?
7250÷125=?
22400÷56=?
125x11x8x7=?
88x25=?
2200÷25=?
33000÷125=?
7800÷25÷4=?
18000÷8÷125=?
用简便方法计算:456+79-56-79=?108+『66+92+224』=?274+87-74-87=?3600÷48=?397x101-397=?6500÷{65x25}=?{67x76+76x58}x8=?{125x99+125}x64=?375÷25=?3500÷125=?7250÷125=?22400÷56=?125x11x8x7=?88x25=?2200÷25=?33000÷125=?7800÷25÷4=?18000÷8
456+79-56-79=456-56=400
108+『66+92+224』=(108+92)+(224+66)=200+300=500
274+87-74-87=274-74=200
3600÷48=3600÷12÷4=75
397x101-397=397x100+397x1-397=39700
6500÷{65x25}=6500÷(6500÷100x4)=25