问题 填空题
756-(356+278)=736-______-______,630÷______÷7=630÷(9×7)
答案

(1)756-(356+278)

=756-356-278,

=400-278,

=122;

(2)630÷(9×7),

=630÷9÷7,

=70÷7,

=10.

故答案为:356,278,9.

单项选择题
单项选择题