Tính giá trị của biểu thức:
a) 90 – ( 30 – 20) = ..........................
= ..........................
90 – 30 – 20 = ..........................
= ..........................
b) 100 – (60 + 10) = ..........................
= ..........................
100 - 60 + 10 = ..........................
= ..........................
c) 135 – (30 + 5) = ..........................
= ..........................
135 – 30 – 5 = ..........................
= ..........................
d) 70 + (40 – 10) = ..........................
= ..........................
70 + 40 – 10 = ..........................
= ..........................
100 + 100 : 10 * 20 +70 = .................................
100 * 100 + 200 = .......................................
1111+1111+1111+1111+1111+1111+1111+1111+1111+1111 = ....................................................................
1111 * 10 = ................................................................
100-20-20+50+60-70-100+90-80-10=?
ai giải nhanh nhất mình tich cho!
a >120+400:100 +120
b >100 -20:5 - 4
c >70 -10+ 40 :100
10+20+30+40+50+60+70+80+90+100=..................
10 + 20 + 30 + 40 + 50 + 60 + 70 + 80 + 90 +100 + 200 + 300 =
tính nhanh ;
10 + 20 + 30 + 40 + 50 + 60 + 70 + 80 + 90 + 100
tk nhé
10 + 20 + 30 + 40 + 50 + 60 + 70 + 80 + 90 + 100 = ?
ai nhanh nhất mình tick cho.
10*10=?
10*20=?
10*30=?
10*40=?
10*50=?
10*60=?
10*70=?
10*80=?
10*90=?
10*100=?