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a fost răspuns

calculeaza a)5ori 9+7ori 3 -18:2 49:7+6ori 8-90:10 b)63:7+5ori8-6ori3 28:4+6ori9+45:9

Răspuns :

Ioana55555
a) 5×9+7×3-18:2+49:7+6×8-90:10=45+21-9+7+48-9=66-9+7+48-9=57+7+48-9=50+48-9=98-9=89
b) 63:7+ 5×8-6×3+28:4+6×9+45:9=9+40-18+7+56+5=49-18+7+56+5=31+7+56+5=38+56+5=94+5=99
Ma bucur ca team puteam putut ajuta!