问题
填空题
计算(-0.25)-(-3
|
答案
(-0.25)-(-3
)+2.75-(+71 4
)1 2
=-0.25+3
+2.75-71 4 1 2
=3+2.75-71 2
=5.75-71 2
=-1.75.
计算(-0.25)-(-3
|
(-0.25)-(-3
)+2.75-(+71 4
)1 2
=-0.25+3
+2.75-71 4 1 2
=3+2.75-71 2
=5.75-71 2
=-1.75.