Question

3.42×5.6+0.56×65.8用简便运算计算

3.42×5.6+0.56×65.8，用简便运算计算。

Answer 1

解，3.42x5.6+0.56x65.8
=34.2x0.56+0.56x65.8
=(34.2+65.8)x0.56
=100x0.56
=56

Answer 2

希望对你有帮助请采纳

Answer 3

原式=3.42X5.6+5.6X6.58
=(3.42+6.58)╳5.6
=10X5.6
=56

Answer 4

3.42×5.6+0.56×65.8
=3.42×5.6+6.58×5.6
=(3.42+6.58)×5.6
=56

Answer 5

=5.6×3.42+5.6×6.58
=5.6×(3.42+6.58)
=5.6×10
=56.