Question

1. Scrie sub formă desfăşurată numerele:
a) 2 507 856; b) 563 907 205; c) 899 506: d) 100 001; e) 4 374 502.
2. Scrie numerele care au forma desfăşurată:
a) 6 × 1 000 + 7 × 100 + 5 × 10 +1;
b) 9 × 1 000 000 + 5 × 1000 + 3;
c) 5 × 10 000 +4 × 100 + 8;​

Answer 1

Răspuns:

Explicație pas cu pas:

a)

2.507.856=2x1000000+5x100000+0x10000+7x1000+8x100+5x10+6x1

b) 563.907.205=5x100000000+6x10000000+3x1000000+9x100000+0x10000+7x1000+2x100+0x10+5x1

c)

899.506=8x100000+9x10000+9x1000+5x100+0x10+6x1

d)

100.001=1x100000+0x10000+0x1000+0x100+0x10+1x1

e)

4.374.502=4x1000000+3x100000+7x10000+4x1000+5x100+0x10+2x1

a) 6 × 1 000 + 7 × 100 + 5 × 10 +1=6751

b) 9 × 1 000 000 + 5 × 1000 + 3=9005003

c) 5 × 10 000 +4 × 100 + 8​=50408