а) 38 * ( -3) = -114 -24 * -4 = 96 -16 * -30 = 480 -114 - 96 + 480 = -210 + 480 = 270
б) -2.8 + 6.1 = 3.3 - 3.4 = -1 + 6.2 = 6.1 * -3.4 = - 20.74
в) 4.3 - 7.8 = -3.5 -5.6 + 8.3 = 2.7 -3.5 * 2.7 = -9.45
а)1)38*(-3)=-114
2)-24*(-4)=96
3)-16*(-30)=480
4)-114-96+480=270
б)1)=6,1
2)6,1*(-3,4)=-20,74
в)1)=-3,5
2)=2,7
3)-3,5*2,7=-9,45
а) 38 * ( -3) = -114 -24 * -4 = 96 -16 * -30 = 480 -114 - 96 + 480 = -210 + 480 = 270
б) -2.8 + 6.1 = 3.3 - 3.4 = -1 + 6.2 = 6.1 * -3.4 = - 20.74
в) 4.3 - 7.8 = -3.5 -5.6 + 8.3 = 2.7 -3.5 * 2.7 = -9.45
а)1)38*(-3)=-114
2)-24*(-4)=96
3)-16*(-30)=480
4)-114-96+480=270
б)1)=6,1
2)6,1*(-3,4)=-20,74
в)1)=-3,5
2)=2,7
3)-3,5*2,7=-9,45