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:×,×.