Simple or complex machines?


Simple or complex machines?Version en ligne Simple or complex machines? par Luz Álvarez Herrero 1 SIMPLE OR COMPLEX MACHINE? a SIMPLE b COMPLEX 2 SIMPLE OR COMPLEX MACHINE? a SIMPLE b COMPLEX 3 SIMPLE OR COMPLEX MACHINE? a SIMPLE b COMPLEX 4 SIMPLE OR COMPLEX MACHINE? a SIMPLE b COMPLEX 5 SIMPLE OR COMPLEX MACHINE? a SIMPLE b COMPLEX 6 SIMPLE OR COMPLEX MACHINE? a SIMPLE b COMPLEX c SIMPLE d COMPLEX 7 SIMPLE OR COMPLEX MACHINE? a SIMPLE b COMPLEX c SIMPLE d COMPLEX