Tính a) 2.(-25).(-4).50 b) 16.50.(-25).(250) c) (-167).(-83) +167.17 -33 d) (135 -35).47
Giải thích
a) 2.−25.−4.50=10000
b) 16.50.−25.−250=5000000
c)
−167.−83+167.17−33=167.83+167.17−33=167.83+17−33=167.100−33=1667
d)
135−35.47−53.−48−52=100.47−53.−100=100.47+53.100=100.47+53=100.100=10000