oblicz według wzoru
14+6-12-10+9=20-12-10+9=8-10+9=-2+9=7
21*(-3):9*(-10):35=
21 * (-3) : 9 * (-10) : 35 = (-63) : 9 * (-10) : 35 = (-7)* (-10) : 35 = 70 : 35 = 2
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21 * (-3) : 9 * (-10) : 35 = (-63) : 9 * (-10) : 35 = (-7)* (-10) : 35 = 70 : 35 = 2