10*10=100
10*20=200
10*30=300
10*40=400
10*50=500
10*60=600
10*70=700
10*80=800
10*90=900
10*100=1000
10 * 10 = 100
10 * 20 = 200
10 * 30 = 300
10 * 40 = 400
10 * 50 = 500
10 * 60 = 600
10 * 70 =700
10 *80 = 800
10 * 90 = 900
10 * 100 = 1000
10*10=100
10*20=200
10*30=300
10*40=400
10*50=500
10*60=600
10*70=700
10*80=800
10*90=900
10*100=1000
10 * 10 = 100
10 * 20 = 200
10 * 30 = 300
10 * 40 = 400
10 * 50 = 500
10 * 60 = 600
10 * 70 =700
10 *80 = 800
10 * 90 = 900
10 * 100 = 1000
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 = ..........................
= ..........................
10+20+30+40+50+60+70+80+90+100=..................
10 + 20 + 30 + 40 + 50 + 60 + 70 + 80 + 90 +100 + 200 + 300 =
Tính:
A=1+2+3+4+5+5+6+7+8+9+10
B=10+20+30+40+50+50+60+70+80+90+100
tính nhanh ;
10 + 20 + 30 + 40 + 50 + 60 + 70 + 80 + 90 + 100
tk nhé
thính nhanh:
a) 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10
b) 10 + 20 + 30 + 40 + 50 + 60 + 70 + 80 + 90 + 100
ai nhanh mk sẽ tk
10 + 20 + 30 + 40 + 50 + 60 + 70 + 80 + 90 + 100 = ?
ai nhanh nhất mình tick cho.
Tính nhanh :
\(10+20+30+40+50+60+70+80+90\)
1+1+1+1+1+1+1+1+10+20+30+40+50+60+70+80+90+1=????