Exercițiul 3 și 4 vă rog e urgent
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3.a) 8x10=80 ; 8x100=800 ; 8x1000=8000
76x10=760 ; 76x100=7600 ; 76x1000=76000
b) 8+10=18 ; 8+100=108 ; 8+1000=1008
76+10=86 ; 76+100=176 ; 76+1000=1076
124+10=134 ; 124+100=224 ; 124+1000=1124
4.ax10 = 6x10=60 ; 18x10=180 ; 79x10=790 ; 100x10=1000 ; 347x10=3470 ; 1000x10=10000
ax100= 6x100=600 ; 18x100=1800
; 79x100=7900 ; 100x100=10000 ; 347x100=34700 ; 1000x100=100000
ax1000= 6x1000=6000 ; 18x1000=18000 ; 79x1000= 79000 ; 100x1000= 100000 ; 347x1000=347000 ; 1000x1000=1000000