Oblicz 150% wartości b, jeżeli 2,8+b*0.8/ 0.04+ 3/50= 9*(2*2)
/ to kreska ułamkowa
2,8 + b* 0,8/0,04 = 3/50 = 9*( 2*2)2,8 + 0,8b / 0,04 + 3/50 = 9*470 + 20b + 3/50 = 36 3/50 = 0,0670,06 + 20b = 3620b= 34,06b = -1,703-1,703 : 100 = -0,01703-0,01703 * 150 = -2,5545
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2,8 + b* 0,8/0,04 = 3/50 = 9*( 2*2)
2,8 + 0,8b / 0,04 + 3/50 = 9*4
70 + 20b + 3/50 = 36 3/50 = 0,06
70,06 + 20b = 36
20b= 34,06
b = -1,703
-1,703 : 100 = -0,01703
-0,01703 * 150 = -2,5545