End-to-end encryption and privacy controls.
Message and call for free* around the world.
Group conversations made simple.
Say it with stickers, voice, GIFs and more.
Reach your customers from anywhere.
https://tarafdari.pdf-doc.ir/product/6434/دانلود-پاورپوینت-ریاضی-پایهی-ششم-مقایسه-و-ساده-کردن-کسرها