问题 填空题

下面各题的计算对吗?把不对的改过来.

(1)1.23-1.23×0.76‘

=0×0.76

=0______

(2)4.5×3.6+6.4

=4.5×10

=45______.

答案

(1)1.23-1.23×0.76‘

=0×0.76

=0(×);

改正:1.23-1.23×0.76,

=1.23-0.9348,

=0.2952;

(2)4.5×3.6+6.4

=4.5×10

=45(×);

改正:4.5×3.6+6.4,

=16.2+6.4,

=22.6.

故答案为:×,×.

单项选择题
单项选择题