脱式计算.(3-112.55%+8/7)*21/13*56/169
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/25 08:50:09
![脱式计算.(3-112.55%+8/7)*21/13*56/169](/uploads/image/z/120221-53-1.jpg?t=%E8%84%B1%E5%BC%8F%E8%AE%A1%E7%AE%97.%283-112.55%25%2B8%2F7%29%2A21%2F13%2A56%2F169)
脱式计算.(3-112.55%+8/7)*21/13*56/169
脱式计算.(3-112.55%+8/7)*21/13*56/169
脱式计算.(3-112.55%+8/7)*21/13*56/169
251 8 21*56
= (3 - ——— + —)* ————
2000 7 13*169
42243 1176
= ———— * ———
14000 2197
= 2.8456