soal ada digambar (yg no.8)

5x6+7x4+8x4+9x2+10x5=158/20=7.9


jawaban terbaik ya

(6x5) + (7x4) + (8x4) + (9x2) + (10 x 5) = 30 + 28 + 32 + 18 + 50 = 158 ===> 158 : (5+4+4+2+5) = 158 : 20 = 7,9 (c) 

semoga membantu ^^