Odpowiedź:
1
a)=70:7-7=20-7=3
b)=72:8+8=9+8=17
c)=343-49=294
d)=7×5+77=35+77=112
2 )
=15/7×14/3+18/5×10/12 =10+3=13
3)
=13/8×8/9+1/9=13/9+1/9=14/9
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Odpowiedź:
1
a)=70:7-7=20-7=3
b)=72:8+8=9+8=17
c)=343-49=294
d)=7×5+77=35+77=112
2 )
=15/7×14/3+18/5×10/12 =10+3=13
3)
=13/8×8/9+1/9=13/9+1/9=14/9