优质解答
X-0.25=0.25
1-3/4X=3/5
4+0.7X=102
2/3X+1/2X=42
41*101
907*99+907
56*99
1200-197
(1/25+1/29)*25*29
5/24*7/12+6/24*5/12+11/24*5/12
X-0.25=0.25
1-3/4X=3/5
4+0.7X=102
2/3X+1/2X=42
41*101
907*99+907
56*99
1200-197
(1/25+1/29)*25*29
5/24*7/12+6/24*5/12+11/24*5/12