ajutati va rog sal rezolv acest exercitiu

Răspunsuri la întrebare
Răspuns:
a) 64 + 36 = 100 ; 1000 - 100 = 900
b) 32 × 10 = 320 ; 32 × 1000 = 32000
c) 640 - 112 = 528 ; 625 × 2 + 45 = 1295
d) 36 × 64 = 2304 ; 16 × 100 × 243 = 388800
e) 2 + 6 + 64 × 5 = 328 ; 10005 - 408 + 830 = 10427
f) 4 × 500 + 100000 = 102000 ; (243 + 121) × 10 - 19 = 3640 - 19 = 3621
Explicație pas cu pas:
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a) 4³+36=64+36=100
1 000-10²=1 000-100=900
b) 2⁵×10=32×10=320
32×10³=32×1 000=32 000
c) 640-7×2⁴=640-7×16=640-112=528
5⁴×2+45=625×2+45=1 250+45=1 295
d) 6²×2⁶=36×64=2 304
2⁴×10²×3⁵=16×100×243=1 600×243=388 800
e) 2×3⁰+3×2¹+4³×5=2×1+3×2+64×5=2+6+320=8+320=328
10⁴×5¹-2³×20²+830=10 000×5-8×400+830=50 000-3 200+830=46 800+830=47 630
f) 4×(8³-12)+10⁵=4×(512-12)+100 000=4×500+100 000=2 000+100 000=102 000
(3⁵+11²)×10-19=(243+121)×10-19=364×10-19=3 640-19=3 621
Succes!;)