Conta, soma e subtrai para resolver problemas divertidos!
- Question 1: Find what each picture equals using these equations: Astronauta plus Mercúrio minus Mercúrio plus Mercúrio equals 7, Mercúrio plus Mercúrio minus Astronauta plus Terra equals 16, Netuno plus Netuno minus Astronauta equals 0, Netuno plus Netuno plus 6 equals 8.
