递等式(6.74+6.74除6.74―6.74)x6.74= 〔1.8―1.8x(1.8―1.8)〕除0.36= 解方程 (9x+59―5x)除3=29
问题描述:
递等式(6.74+6.74除6.74―6.74)x6.74= 〔1.8―1.8x(1.8―1.8)〕除0.36= 解方程 (9x+59―5x)除3=29
答
(6.74+6.74除6.74―6.74)x6.74=1x6.74=6.74
〔1.8―1.8x(1.8―1.8)〕除0.36=1.8/0.36=5
(9x+59―5x)除3=29
9x+59―5x=81
4x=81-59=22
x=5.5