Question

dau coroana ........ va rog ajutați-ma si pe mine este ff urrgent !

Answer 1

a) 126 x 9-87 x 4=
1139-348=786

b) 500-2x100+3x(87+13)=
500-2x100+3x100=
500-200+300=
500-500=0

c) 18+8x(100-15x6)=
18+8x(100-90)=
18+8x10=
18+80=98

d) (15+15)x(15-15)+15x15=
30x0+15x15=
0+225=225

Answer 2

a) 126×9-87×4 = 87×4 = 348 》 126×348= 786
b) 500-2×(87×13) = 87×13=100 = 500-2×100-3×100= 2×100=200 , 3×100=300 》 500-200-300= 0
c) 18+8×(100-15×6)= 100-15×6 》10 , 18+8×10=98
d) (15+15)+(15-15)+15×15 》 30+0+225 = 255
Sper ca te-am ajutat :)