Conta, soma e subtrai para resolver problemas divertidos!
- Question 1: Find what each picture equals using these equations: Beija-flor minus Cisne minus Avião de papel equals 0, Avião de papel minus Dragão plus Avião de papel minus Cisne equals 9, Beija-flor plus Beija-flor minus Cisne equals 13, Cisne plus Cisne plus 5 equals 7.
