Ответ:
1.
1) -6*(8-10)+48= - 6* (-2) +48 =12+48=60
2) (-5+9) * (-4) - 20 =4 * (-4) - 20 = -16 - 20= -36
2.
1) 72*69 - 79*72 = (69-79) * 72 = -10 *72= - 720
2) -12 * 11 - 19 * 12 = (-11-19)* 12= - 30*12 = - 360
3.
1) ( -76 + 125 - 37) - 125 + 37 = -76 + 125 - 37 - 125 +37 = -76
2) - ( -79 - 39 +81) +81 - 39 = 79 + 39 - 81 +81 -39 = 79
4.
1) (234 - 26) - 74 = 234 - 74 - 26 = 160 - 26 = 134
2) - (541 - 39) + 61 = -541 +39 +61 = -441
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Answers & Comments
Ответ:
1.
1) -6*(8-10)+48= - 6* (-2) +48 =12+48=60
2) (-5+9) * (-4) - 20 =4 * (-4) - 20 = -16 - 20= -36
2.
1) 72*69 - 79*72 = (69-79) * 72 = -10 *72= - 720
2) -12 * 11 - 19 * 12 = (-11-19)* 12= - 30*12 = - 360
3.
1) ( -76 + 125 - 37) - 125 + 37 = -76 + 125 - 37 - 125 +37 = -76
2) - ( -79 - 39 +81) +81 - 39 = 79 + 39 - 81 +81 -39 = 79
4.
1) (234 - 26) - 74 = 234 - 74 - 26 = 160 - 26 = 134
2) - (541 - 39) + 61 = -541 +39 +61 = -441