8+2=10
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80т 103 кг думаю так сойдет?
<span>(-1 7/8 * 1 4/5 + 9/16) * (-8/9) = 2 1/2,
1) </span>-1 7/8 * 1 4/5 = - 15/8 * 9/5 = - 27/8 = - 3 3/8,
2) -3 3/8 + 9/16 = -27/8 + 9/16 = -54/16 + 9/16 = -45/16 = - 2 13/16,
3) - 2 13/16 * (-8/9) = 45/16 * 8/9 = 5/2 = 2 1/2
98/7=14=6+8
72/6=12=7+5
81/3=27=10+17
354/3=118=70+48
785/5=157=60+97