1. Oblicz sposobem pisemnym:
a)
67,78+413,4+8,256
b) 6,42-1,537
c) 1,53+5,9-0,7246
d) 47,5-7,64 + 10,071
a)
67,78+413,4+8,256
b) 6,42-1,537
c) 1,53+5,9-0,7246
d) 47,5-7,64 + 10,071
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Odpowiedź:
A489, 436
B4,883
C6,7054
D49,931