Question

2.3×5.6+77×0.56运用简便运算怎么做？

Answer 1

2.3×5.6+77×0.56=2.3×5.6+7.7×5.6=5.6×(2.3+7.7)=5.6×10=56

Answer 2

=54x0.43+54x0.58-54x0.01=54x(0.43+0.58+0.01)

Answer 3

0.56提出就可以了

Answer 4

[2.3×5.6}+{77×0.56}