Question

Calculați:
a)3•45•3•15=
b)20•48+20•2=
c)28•521-28•21=
d)23•718-162-23=
e)15•38+15•162=
f)702•65+35•702=
g)2413•1001-2413=
h)2029•599+2629=
i)1289•337+1289•663=

Vă rog ajutațimă!Dau coroană

Answer 1

3x45x3x15=135x2025=273375
20x48+20x2=960+40=1000
28x521-28x21=14588-588=14000
23x718-162-23=16514-162-23=16352-16329
15x38+15x162=570+2430=3000
702x65+35x702=45630+24570=70200
2413x1001-2413=2415413-2413000
2029x599+2629=1215371+1218000
1289x337+1289x663=434393+854607=1289000sper ca te-am ajutat îmi dai te rog coroana?