Question

3/4[4/3(1/2-1/4)-8]=3/2X-5/4 简便计算!

Answer 1

【解析】 将3/4乘进去消去4/3 就简便了

3/4[4/3(1/2-1/4)-8]=3/2X-5/4

(1/2-1/4)-6=2x/3-5/4

1/4-6=2x/3-5/4

2x/3=1/4+5/4-6

2x/3=-9/2

x=-3

【答案】-3