4.14÷0.23÷0.45 【用递等式计算】 6.5*1.8+7.18 26.3÷0.25*3.4
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/06/24 16:04:06
4.14÷0.23÷0.45 【用递等式计算】 6.5*1.8+7.18 26.3÷0.25*3.4
![4.14÷0.23÷0.45 【用递等式计算】 6.5*1.8+7.18 26.3÷0.25*3.4](/uploads/image/z/1707461-53-1.jpg?t=4.14%C3%B70.23%C3%B70.45+%E3%80%90%E7%94%A8%E9%80%92%E7%AD%89%E5%BC%8F%E8%AE%A1%E7%AE%97%E3%80%91+6.5%2A1.8%2B7.18+26.3%C3%B70.25%2A3.4)
4.14÷0.23÷0.45
=(4.6-0.46)/(0.23*0.45)
=(20-2)/0.45
=18/0.45
=40
6.5*1.8+7.18
=6.5*(2-0.2)+7.18
=13-1.3+7.18
=20.18-1.3
=18.88
26.3÷0.25*3.4
=26.3*4*3.4
=(25+1.3)*4*3.4
=(100+5.2)*3.4
=340+17.68
=357.68
=(4.6-0.46)/(0.23*0.45)
=(20-2)/0.45
=18/0.45
=40
6.5*1.8+7.18
=6.5*(2-0.2)+7.18
=13-1.3+7.18
=20.18-1.3
=18.88
26.3÷0.25*3.4
=26.3*4*3.4
=(25+1.3)*4*3.4
=(100+5.2)*3.4
=340+17.68
=357.68