脱式计算。6×8-35 80-5×9 5×(2+6) 6×(63÷9)...

2023-02-13

【题目】脱式计算。

6×8-35          80-5×9         5×(2+6)         6×(63÷9)

 

 

66+23-54         64÷8×3        5×2+6             97-(45+33)

 

 

 

【答案】

6×8-35          80-5×9         5×(2+6)       6×(63÷9)

=48-35         =80-45         =5×8            =6×7

=13             =35             =40              =42

66+23-54         64÷8×3        5×2+6           97-(45+33)

=89-54          =8×3          =10+6             =97-78

=35              =24            =16               =19

【解析】略