1编号:18687题型:解答题测试正确率:0.0%
计算:(1)23-17-(-7)+(-16) (2) (3)(-26.54)+(-6.4)+18.54+6.4 (4) (5) (6)33.1-(-22.9)+(-10.5) (7) (8) (9)(-8.25)+8.25+(-0.25)+(-5.75)+(-7.5)
提醒: