Вычислите силу притяжения друг к другу вагонов массой 70т каждый находящихся на расстоянии 20м

вставь is,isn,t,are,aren,t,do,don,t,does,doecn,t.

 ...  seals usually clap at lunchtime? Yes, they ...

 ...the seals clapping now? Yes, they ...

 ...the monkey climbing the tree?  Yes,it...

....the crocodile crying? No, it...

...the crocodile often cru? No, it...

...the giraffes usually eat from trees? Yes, they  ...

....the giraffes eating from the tree? Yes, they ....