Răspuns :
1)P=40 cm=0.,4m,A=100m
2)15
4)7x3x1.5=31,5
31,5x1300=40950kg=40,95 tone
la 3 nu stiu
2)15
4)7x3x1.5=31,5
31,5x1300=40950kg=40,95 tone
la 3 nu stiu
1) P=0,4m ; A=100cm (patrati)••
2) 10 cm••
3) Vparalelipiped= 6x9x10= 540cm (cubi)•
Vcub= 3x3x3= 27cm (cubi)•
Cate cuburi se pot sculpta din paralelipiped? 540:27= 20 cuburi••
4) Vcarbune= 7x3x1,5= 31,5m (cubi)•
Cate tone de carbune au incarcat?
31,5x1300= 40950kg= 40,95tone••