Question

六点4×0点25+3点6×0点七五的简便运算怎么算？

Answer 1

6.4×0.25+3.6×0.75
=6.4×0.25+3.6×（滚数0.25+0.5）
=6.4×0.25+3.6×0.25+3.6×0.5
=（返丛6.4+3.6）大世首×0.25+1.8
=10×0.25+1.8
=2.5+1.8
=4.3

Answer 2

6.4×0.25+3.6×0.75
=6.4×1/4+3.6×3/4
=1.6+2.7
=4.3

Answer 3

有关于6.4×0.25+3.6×0.75这和桐芹唤毕个算式使用简便的方法来解答，过程如下：
6.4×0.25+3.6×0.75
=（轮槐6.4+3.6）×（0.25+0.75）
=10×1
=10

Answer 4

6.4X0.25+3.6X0.75
=6.4X1/4+3.6X3/4
=1.6+2.7
=4.3

Answer 5

6.4×0.25+3.6×0.75
=6.4×1/4+3.6×3/4
=1.6+2.7
=4.3