Răspuns :
1)82-65-16+18+7=17-16+18+7=1+18+7=19+7=26
46-72÷6+14-3=46-7+14-3=39-7+14-3=32+14-3=46-3=43
1000-(540+760÷4)÷5×4=(540+190)÷5×4=730÷5×4=146×4=584
2)a)(321×3)-(124×2)=963-248=715
b)987-6×100=987-600=387
3)răzvan =300 timbre
fratele=300-60=240 timbre
1 pagina=9 timbre
Nr. pagini completate.
(300+240)÷9=540÷9=60 pagini
R:60 pagini
sper că te-am ajutat
46-72÷6+14-3=46-7+14-3=39-7+14-3=32+14-3=46-3=43
1000-(540+760÷4)÷5×4=(540+190)÷5×4=730÷5×4=146×4=584
2)a)(321×3)-(124×2)=963-248=715
b)987-6×100=987-600=387
3)răzvan =300 timbre
fratele=300-60=240 timbre
1 pagina=9 timbre
Nr. pagini completate.
(300+240)÷9=540÷9=60 pagini
R:60 pagini
sper că te-am ajutat
1. a) 82-65-16+18+7= 17-16+18+7=1+18+7=19+7=26
b)42-72÷6+14-3=42-12+14-3=30+14-3=44-3=41
c) 1000-(540+760÷4)÷5×4=1000-(540+190)÷5×4=1000-730÷5×4=1000-146×4=1000-584=416
2. a) 321×3=963
124×2=248
963-248=715
b) 6×100=600
987-600=387
3. fratele: 300-60=240
300+240=540
540÷9=60 pagini
b)42-72÷6+14-3=42-12+14-3=30+14-3=44-3=41
c) 1000-(540+760÷4)÷5×4=1000-(540+190)÷5×4=1000-730÷5×4=1000-146×4=1000-584=416
2. a) 321×3=963
124×2=248
963-248=715
b) 6×100=600
987-600=387
3. fratele: 300-60=240
300+240=540
540÷9=60 pagini