发布网友 发布时间:2022-09-15 19:28
共3个回答
热心网友 时间:2023-10-09 21:24
1 5x=80乘以0.5-9 x=41/92 5x=9x-64 x=163 15乘以6=5x-10 x=164 76乘以0.5=4x+6 x=8 1 (38.5+x)乘以32=2400 x=36.52 (45+x)乘以5+25=450 x=40好了热心网友 时间:2023-10-09 21:25
1.6.22.163.204.81.2400÷32-38.5=36.52.(450-25)÷5-45=40热心网友 时间:2023-10-09 21:25
说清楚呀,第一题似乎有问题哦!