32×(0.25-0.125)的简便运算
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 01:49:39
![32×(0.25-0.125)的简便运算](/uploads/image/z/128186-26-6.jpg?t=32%C3%97%280.25-0.125%29%E7%9A%84%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97)
32×(0.25-0.125)的简便运算
32×(0.25-0.125)的简便运算
32×(0.25-0.125)的简便运算
4,把小数化分数就可以了
4x(8x0.125)
原式=32×0.25-32×0.125
=8-4
=8
4×0.25+8×0.125
把括号去掉把减改成加
=32×0.25+32×0.125
=32×1/4+32×1/8
=8+4
=12
啦啦啦