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Bzoviisveta
a fost răspuns

1)28,4÷10²₊10[16,8₋(400÷100₋4)] 2) 124,5×(7,82÷10₋0,54)₋2,4²

Răspuns :

Zabavastefan
1)    400:100-4=4-4=0
16,8-0·2=16,8-0=16.8
10·16.8=168
28.4:10²=0.284
0.284+168=168.284
2)        7,82:10-0,54=0.242
124,5·0.242=30,129
2,4²=2.4 · 2,4=0.0576
30.129-0.0576=30.0714