计算 ①26+45+17②64-36+28③58+32-29④93-26-37...

2023-01-12

【题目】计算 

①26+45+17

②64-36+28

③58+32-29

④93-26-37

⑤46+34-62

⑥27+49-38

【答案】①88

②56

③61

④30

⑤18

⑥38

【解析】

①26+45+17

=71+17

=88;

②64-36+28

=28+28

=56;

③58+32-29

=90-29

=61;

④93-26-37

=67-37

=30;

⑤46+34-62

=80-62

=18;

⑥27+49-38

=76-38

=38