1.8÷0.25+2.2×0.25简便算法求求你

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/26 08:53:12
1.8÷0.25+2.2×0.25简便算法求求你
x)3Գ8@n#=A|g>DO.I*' GΆdK4t 4A4A\-0VY B^&iTaIH ,m6r`Mm @k;

1.8÷0.25+2.2×0.25简便算法求求你
1.8÷0.25+2.2×0.25简便算法
求求你

1.8÷0.25+2.2×0.25简便算法求求你
(2-0.2)/0.25 + (2+0.2)*0.25 =
(2-0.2)*4 + (2+0.2)/4 =
2x4 - 0.2x4 + 2/4 + 0.2/4 =
8 - 0.8 + 0.5 + 0.05 =
8 - 0.25 = 7.75