210除42乘6简便运算?

2024-11-21 00:34:31
推荐回答(5个)
回答1:

210÷42×6,等于210÷7,最后等于30

回答2:

210÷42×6
=210÷7÷6×6
=210÷7
=30

回答3:

=210*6/42
=30*7*6/42
=30

回答4:

210÷42×6
=210÷(6×7)×6
=30÷6×6
=6÷6×30
=30

回答5:

210÷42ⅹ6
=30ⅹ7ⅹ6÷42
=30ⅹ42÷42
=30