1) 8 −3-3−3 + −7-7−7 = -24 - 7 = -312) −2-2−2 −5-5−5 - 12 = 10 - 12 = -23) 35 - −7-7−7 * 6 = 35 + 42 = 774) 32 : −4-4−4 + 5 = -8 + 5 = -35) 64 : −16-16−16 - 9 = -4 - 9 = -136) 17 - −12-12−12 : 4 = 17 - −3-3−3 = 17 + 3 = 207) −21-21−21 : −3-3−3 - 9 = 7 - 9 = -28) −42-42−42 : 6 + 10 = -7 + 10 = 39) 27 - −15-15−15 : 3 = 27 + 5 = 32
1) 8 −3-3−3 + −7-7−7 = -24 - 7 = -31
2) −2-2−2 −5-5−5 - 12 = 10 - 12 = -2
3) 35 - −7-7−7 * 6 = 35 + 42 = 77
4) 32 : −4-4−4 + 5 = -8 + 5 = -3
5) 64 : −16-16−16 - 9 = -4 - 9 = -13
6) 17 - −12-12−12 : 4 = 17 - −3-3−3 = 17 + 3 = 20
7) −21-21−21 : −3-3−3 - 9 = 7 - 9 = -2
8) −42-42−42 : 6 + 10 = -7 + 10 = 3
9) 27 - −15-15−15 : 3 = 27 + 5 = 32