Question

calcule
3*3. 3*5. 3*4

4*1. 4*2

10*12: 10*8

1*20: 1*12

(2.4)*2

Answer 1

Olá Weslley

$(3*3)* (3*5)* (3*4)\\ 9*15*12\\ 1620$

$(4*1)* (4*2)\\ 4*8\\ 32$

$(10*12): (10*8)\\ 120/80\\ 1,5$

$(1*20): (1*12)\\ 1/1\\ 1$

$(2*4)*2\\ 8*2\\ 16$


Espero ter ajudado
Bons estudos