计算:0.57×9.8+90.2×0.52=?3.99+(6-3/8×2/7)=?
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/29 23:54:14
![计算:0.57×9.8+90.2×0.52=?3.99+(6-3/8×2/7)=?](/uploads/image/z/636859-19-9.jpg?t=%E8%AE%A1%E7%AE%97%EF%BC%9A0.57%C3%979.8%2B90.2%C3%970.52%3D%3F3.99%2B%EF%BC%886-3%2F8%C3%972%2F7%EF%BC%89%3D%3F)
计算:0.57×9.8+90.2×0.52=?3.99+(6-3/8×2/7)=?
计算:0.57×9.8+90.2×0.52=?3.99+(6-3/8×2/7)=?
计算:0.57×9.8+90.2×0.52=?3.99+(6-3/8×2/7)=?
0.57×9.8+90.2×0.52
=5.586+46.904
=52.49
3.99+(6-3/8×2/7)
=3.99+(6-3/28)
=3又99/100+5又25/28
=9又111/1400
第一个:52.49
第二个:9.88286