Question

Dau coroana!!!!!

Sunt corecte răspunsurile?

Answer 1

Răspuns:

$1. 243+4567=4810\\\\2.1000-456=544\\\\3.102+104+106=312\\\\4.b=256+354= > b=610\\\\a+b=256+610= > a+b=866\\\\5.123+321=444 (fals)\\\\234+432=666(fals)\\\\345+543=888 (adevarat)\\\\6.b=875-549= > b=326\\\\a+326=875= > a=875-326= > a=549\\\\a-b=549-326=223\\\\7.9*10=90\\\\8.4*123-3*123=492-369=123\\\\9.85*6-(85+6)=510-91=419\\\\10.3*4=12 catul\\\\D:4=12= > D=4*12= > D=48$