2)
a)
14896÷4=3724
b)2727÷27=101
c)(870×10)÷100=8700÷100=87
4)
a)42××=1428
×=1428÷42
×=34
b)1750÷×=50
×=1750÷50
×=35
c)×÷14=104rest9
×=104×14+9
×=1456+9=1465
6)
a÷8=137rest 2
a=134×8+2
a=1072+2=1074
a÷8=137rest 4
a=137×8+4
a=1072+4=1076
a÷8=137rest 6
a=137×8+6
a=1072+6=1078
a÷8=137rest 8
a=137×8+8
a=1072+8=1080
7)20532÷87=236lei costa o saniuta
(87+94)×326=181×326=59006 lei s-au incasat pentru toate saniutele
