题目

(5.42±1.06)-(6.50±2.21)怎么计算

提问时间：2021-12-26

答案

(5.42±1.06)-(6.50±2.21)
=(5.42+1.06)-(6.50+2.21)
=6.48-8.71
=-2.23
(5.42±1.06)-(6.50±2.21)
=(5.42+1.06)-(6.50-2.21)
=6.48-4.29
=2.19
(5.42±1.06)-(6.50±2.21)
=(5.42-1.06)-(6.50+2.21)
=4.36-8.71
=-4.35
(5.42±1.06)-(6.50±2.21)
=(5.42-1.06)-(6.50-2.21)
=4.36-4.29
=0.07