Răspuns :
Explicație pas cu pas:
(306+216):18=522:18=29
(1512+540):36=2052:36=57
(11200+105):35=11305:35=323
(4928-2112):64=2816:64=44
(1080-792):72=228=4
(1242-69):23=1173:23=51
Răspuns:
(306+216):18=522:18=29
(306+216):18=306:18+216:18=17+12=29
(1512+540):36=2052:36=57
(1512+540):36=1512:36+540:36=42+15=57
(11200+105):35=11305:35=323
(11200+105):35=11200:35+105:35=320+3=323
(4928-2112):64=2816:64=44
(4928-2112):64=4928:64-2112:64=77-33=44
(1080-792):72=288:72=4
(1080-792):72=1080:72-792:72=15-11=4
(1242-69):23=1173:23=51
(1242-69):23=1242:23-69:23=54-3=51