Question

a ) 3 + 5 x 7 - 4 x 10 : 10 x 10 = b ) 1000 : 100 : 10 : 1 + 1 x 10 x 20 x 0 = C ) 7 + 7 x 7 : 7 - 7 : 7 x 7 = d ) 123 x 3 : 9 - 2 x 0 x 81 = Va rog repede !!

Answer 1

a)3+35-40÷100=3+35-0,4=37,6.
b)1+0=1.
c)7+7-7=7.
d)41-0=41.

Answer 2

a.
3+5x7-4x10:10x10=
3+35-40:10x10=
3+35-4x10=
3+35-40=
40-40=0
b.
1000:10:1+1x10x20x0=
100:1+10x20x0=
100+200x0=
300x0=0
c.
7+7x7:7-7:7x7=
7+49:7-1x7=
7+7-7=
14-7=7
d.
123x3:9-2x0x81=
369:9-0x81=
41-0=41