Ответ:
1) -2.6+(-0.3)+(-1.4)+(-9.7)= (-2.6-1.4)+(-0.3-9.7)= -4 - 10 = -14
2) 1.5-5.4+(-1.6)+8.5= (1.5+8.5)+(-1.6-5.4)= 10-7= 3
3) 4.37+(-3.65)+(-7.35)+6.63= (4.37+6.63)+(-3.65-7.35)= 11 - 11 = 0
4) 0.13+(-9.94)+(-2.13)+(-0.06)=0.13-2.13 +(-9.94-0.06)= -2 - 10 = -12
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Answers & Comments
Ответ:
1) -2.6+(-0.3)+(-1.4)+(-9.7)= (-2.6-1.4)+(-0.3-9.7)= -4 - 10 = -14
2) 1.5-5.4+(-1.6)+8.5= (1.5+8.5)+(-1.6-5.4)= 10-7= 3
3) 4.37+(-3.65)+(-7.35)+6.63= (4.37+6.63)+(-3.65-7.35)= 11 - 11 = 0
4) 0.13+(-9.94)+(-2.13)+(-0.06)=0.13-2.13 +(-9.94-0.06)= -2 - 10 = -12