va rog!!!Ajutați-mă!!!
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Răspuns:
Explicație pas cu pas:
a)
6 + 25:5 - 1 + 2 × 5 = 4 × 6 - 28 : 7 + 3×3×3 - 9×1 F ( fals)
6 + 5 - 1 + 10 = 24 - 4 + 27 - 9
11 - 1 + 10 = 20 + 27 - 9
10 + 10 = 47 - 9
20 = 38 FALS
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b)
100 - 90 : 9 + 80 : 8 - 10 × 1 = 4 × 10 + 2×3×5 + 2×2×5 A ( adevărat)
100 - 10 + 10 - 10 = 40 + 30 + 20
90 = 90 ADEVĂRAT
a. 6+25:5-1+2•5=4•6-28:7+3•3-9•1
6+5-1+10=24-4+9-9
11-11=20+0
0=20 → FALS (F)
b.100-90:9+80:8-10•1=4•10+2•3•5+2•2•5
100-10+10-10=40+6•5+4•5
90+0=40+30+20
90=90 → ADEVĂRAT (A)