Răspuns:
Explicație pas cu pas:
2.
9x__=99
__=99:9
__=11
4x__=48
__=48:4
__=12
4x__x2=200
4x__=200:2
4x__=100
__=100:4
__=25
2x3x__=222
6x__=222
__=222:6
__= 37
__x3x3=378
__x3=378:3
__x3= 126
__=126:3
__=42
5x__=235
__=235:5
__= 47
__x3=267
__=267:3
__= 89
7x__=574
__=574:7
__=82
3. a=528 b=366 c=2
a:c=528:2=264
b:c= 366:2=183
(a+b):c=(528+366):2= 894:2=447
(a-b):c=(528-366):2=162:2=81
4.numarul 60
a)sfertul =impartit la 4 60:4=15
b)dublul- inmultit cu 2 60x2=120
c)jumatatea-impartit la 2 60:2=30
d)treimea
-impartit la 3 60:3=20
1.Afla catul si restul impartirilor.
68:5=13 rest 3
37:3=12 rest 1
69:2=34 rest 1
98:9=10 rest 8
76:5=12 rest 3
82:7=11 rest 5
27:4=6 rest 3
90:8=11 rest 2
59:2=29 rest 1
