题目五年级数学(方程)习题及答案(1) x+76=163 (2) x+14=61 (3) x+23=49(4) x-19=70 (5) x-31=14 (6) x-10=54(7) x+8=12.1 (8) x+9=9.6 (9) x+5.9=12.9(10) x-0.4=9 (11) x-0.2=1.2 (12) x-1.3=1.5(13) 85+x=126 (14) 26+...