4.7x10.1—47用简便运算

2025-06-20 09:47:28
推荐回答(2个)
回答1:

4.7x10.1-47
=4.7x10.1-4.7x10
=4.7x(10.1-10)
=4.7x0.1
=0.47

回答2:

=4.7×10.1-4.7×10=4.7×(10.1-10)=4.7×0.1=0.47