Należy rozpisać : 1) -7*20+(-4)*(-5)*(-10)-(-100)*3
2) 21*(-4)*(-5)*21
1) -7*20+(-4)*(-5)*(-10)-(-100)*3 = -140-200+300 = -40.
2) 21*(-4)*(-5)*21 = 21*20*21 = 8820.
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1) -7*20+(-4)*(-5)*(-10)-(-100)*3 = -140-200+300 = -40.
2) 21*(-4)*(-5)*21 = 21*20*21 = 8820.