7.8-(9.6-2.2)简便运算

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/15 14:55:06
7.8-(9.6-2.2)简便运算
xN1_eUW4ɦ}kfh!RW]Zvb˂^ x \7>XvJ4f%[̎/=<Ysnqخχn7׃;A=;IJnz2tMZ>^7Nȷz ?I-Q s+)1 Dr^TITXW I.(NMAJrQFY,TMh-2)w=Z!o%"]kFKcC΄?d«7(O {(Z[ m R`]˘N!q|cfcB 5 0fǖ!jZh Vs4yao?'W_Z*ZxO%W,-

7.8-(9.6-2.2)简便运算
7.8-(9.6-2.2)简便运算

7.8-(9.6-2.2)简便运算

7.8-9.6+2.2

=7.8-9.6+2.2
=7.8+2.2-9.6
=10-9.6
=0.4

去括号,
7.8-9.6+2.2=10-9.6=0.4

10-9.6