Question

Află numărul care lipseşte .
9×4+x=100
81 :9+x=502
32:4+x=205
7×9-x=1
81:9×x=18
x×72:8=54
35:5×x=63
X ×40:5=56
Rezolvațio pentru ckasa a 2 a.
Vă rog ajutațimă!

Answer 1

a)9×4+x=100
36+x=100
x=100-36
x=64

b)81:9+x=502
9+x=502
x=502-9
x=493

c)32:4+x=205
8+x=205
x=205-8
x=197

d)7×9-x=1
63-x=1
x=63-1
x=62

e)81:9×x=18
9×x=18
x=18:9
x=2

f)x×72:8=54
x×9=54
x=54:9
x=6

g)35:5×x=63
7×x=63
x=63:7
x=9

h)x×40:5=56
x×8=56
x=56:8
x=7

SPER CA TE-AM AJUTAT !!