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Cine ma poate ajuta ?
a)7×8+6×7-3×7

9+5×6-25÷5

b)7×6-12+7×10
15-15:3+2×5×5

c)400+5×8+72÷9-48
300-64÷8+6×6-28​


Răspuns :

Răspuns:

a)56+42-21=98-21=77

9+30-5=24

b)42-12+70=100

15-5+10×5=60

c)400+40+8-48=400

300-8+36-28=300

Răspuns:

7×8+6×7-3×7=

56+42-21

98-21=77

9+5×6-25:5=

9+30-5=

39-5=34

7×6-12+7×10

42-12+70

32+70=102

15-15:3+2×5×5

15-5+10×5

15-5+50

10+50=60

400+5×8+72:9-48=

400+40+8-48

440+8-48

448-48=400

300-64:8+6×6-28=

300-8+36-28

292+36-28=

328-28=300