Question

Vă rog ajutati.ma
Ordinea operatiilor si folosirea corecta a parantezelor.
(7×3+2×9-30):3=; (6×2+4×0):4=; 8×2-2×6+10=; (4+4×4-4):4=; (24:4-3)×9+27=; (15+18:9+13):10=; (30-20:4):5=; 32:4+(15:5+72)=; (36:6+42:7)-4×2=; 24:8+32:4+79=; (90:9-40:4)×10=; (80:10-2:2)×10=.

Answer 1

a)(21+18-30):3=
=(39-30):3
=9:3
=3

b)(12+0):4=
=12:4
=3

c)16-12+10=
=4+10
=14

d)(4+16-4):4=
=(20-4):4
=16:4
=4

e)(6-3)×9+27=
=3×9+27
=27+27
=54

f)(15+2+13):10=
=30:10
=3

g)(30-5):5=
=25:5
=5

h)8+(3+72)=
=8+75
=83

i)(6+6)-8=
=12-8
=4

j)3+9+79=
=12+79
=91

k)(10-10)×10=
=0×10
=0

l)(8-1)×10=
=7×10
=70

sper ca te-am ajutat