Question

Va rog urgent dau coroană ​

Answer 1

42:2=(40:2)+(2:2)=20+1=21
Descompui in suma de zeci si unitati
ex: 42=40+2
39=30+9
88=80+8
Si dupa aceea iei zecile si le imparti la impartitor si unitatile le imparti la impartitor
88:4=(80:4)+(8:4)
96:3=(90:3)+(6:3)
Sper ca intelegi daca nu sa mi zici

Answer 2

Explicație pas cu pas:

a) 42:2=(40+2):2=

=(40:2)+(2:2)=

=20+1=21

39:3=(30+9):3=

=(30:3)+(9:3)=

=10+3=13

88:2=(80+8):2=

=(80:2)+(8:2)=

=40+4=44

b) 88:4=(80+8):4=

=(80:4)+(8:4)=

=20+2=22

96:3=(90+6):3=

=(90:3)+(6:3)=

=30+2=32

66:2=(60+6):2=

=(60:2)+(6:2)=

=30+3=33

c)99:9=(90+9):9=

=(90:9)+(9:9)=

=10+1=11

82:2=(80+2):2=

=(80:2)+(2:2)=

=40+1=41

36:3=(30+6):3=

=(30:3)+(6:3)=

=10+2=

=12