在横线里填上“>”、“<”或“=”.
45021________128671 | 120750489________102750489 | 37×39________1600 | 504÷12________504÷2÷6. |
解方程.
2x+4=6 | 35x+13x=9.6 | x-x= | x÷14=. |
45021________128671 | 120750489________102750489 | 37×39________1600 | 504÷12________504÷2÷6. |
2x+4=6 | 35x+13x=9.6 | x-x= | x÷14=. |