Question

Descompuneți 145,350,270,625,750,121, 1125,1350,4225,5625,280,700,3900,96,32,170,289
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Answer 1

145(10×10+4×10+5) 350(3×100+5×10) 270(2×100+7×10) 625(6×100+2×10+5)
750(7×100+5×10) 121(10×10+2×10+1)
1125(100×10+10×10+2×10+5)
1350(100×10+100×3+5×10)
4225(4×1000+2×100+2×10+5)
5625(5×1000+6×100+2×10+5)
280(2×100+8×10)
700(7×100)
3900(3×1000+9×100)
96(9×10+6)
32(3×10+2)
170(10×10+7×10)
289(2×100+8×10+9)