1⁷₁₀* 45-³₄ *26= 1,7 * 45 – 0,75 * 26 = 76,5- 19,5=57 (-⁵₁₂ + 2⁴₁₅) * (-45)= (-75180 + 248180)*(-45)= 15160*(-45)=17160*(-45)= 5134=12814 18 +(-⁸₁₅) * 1⁹₁₆= 18-815*2516= 18-56= 1716 2²₁₁ *(-⁷₈) - (-6) * ¹₅= 2411 * 518= 2411*418=12311=11111 (-2¹₁₀) *(-4¹₆) +7*³₈-⁹₂₀ * (-16)=(- 2110)* (-256) + 7*38 – 920* (-16)= 10512 + 218 + 395= 1050120+ 315120+ 936120= 2301120 = 19 21120 -9,7 +(-0,26)-7,425-2,86= 9,96-7,425-2,86= 2,535-2,86= -0,325 -(-4,567)+(-2,865)+1,25=4,567-2,865+1,25= 1,702+1,25=2,952
np. 1/3 to ułamek tak jak jedna trzecia, jakby co 1⁷₁₀* 45-³₄ *26= 17/10 * 45/1 - 3/4 * 26/1 = 153/2 - 39/2 = 76,5 - 19,5 = 57 (-⁵₁₂ + 2⁴₁₅) * (-45)= (-5/12 + 34/15) * (-45) = 29/15 * (-45) = -(29/15 * 45/1) = 87/1 = 87 18 +(-⁸₁₅) * 1⁹₁₆= 18 + (-8/15) * 25/16 = 18 + (-5/6) = 17 i 1/6 2²₁₁ *(-⁷₈) - (-6) * ¹₅= 24/11 * (-7/8) - (-6/1) * 1/5 = (-21/11) - (-6/5) = (-21/11) + 6/5 = (-105/55) + 66/55 = (-39/55) (-2¹₁₀) *(-4¹₆) +7*³₈-⁹₂₀ * (-16)= 21/10 * 25/6 + 7/1 * 3/8 - 9/20 * (-16/1) = 35/4 + 21/8 - (-36/5) = 70/8 + 21/8 + 36/5 = 91/8 + 36/5 = 455/40 + 288/40 = 743/40 = 18 23/40 -9,7 +(-0,26)-7,425-2,86= -20,245 -(-4,567)+(-2,865)+1,25= 2,952
