2/25=8/100=0,08
111/125=888/1000=0,888
23/8=2875/1000=2,875
76/4=1900/100=19
42/25=168/100=1,68
370/50=740/100=7,4
2/25=8/100=0,8
111/125=888/1000=0,888
23/8=2875/1000=2,875
76/4=1900/100=1,9
42/25=168/100=1,68
370/50=740/100=7,4
2/25=4/50=0,08
111/125=222/250=0,888
23/8=46/16=2,875 76/4=152/8=19 42/25=84/50=1,68 370/50=740/100=7,4
Làm theo mẫu:
43/5=86/10=8,6
2/25=
111/125=
23/8=
76/4=
42/25
370/50=
Làm theo mẫu:
43/5=86/10=8,6
2/25=
111/125=
23/8=
76/4=
42/25
370/50=
Làm theo mẫu
43/15 = 86/10 = 8,6
9/5 = .............................................
2/25 = ...........................................
111/125 = ......................................
23/8 = ...........................................
76/4 = ...........................................
42/25 = ........................................
370/50 = ......................................
làm theo mẫu
43/15 = 86/10=8,6
9/5 =
2/25 =
23/8 =
76/4 =
42/25 =
tính 1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50-999-888-777-666-555-444-333-222-111
nhanh nhé
a, 5/11 + 1/2 + 2/5 + 6/11 + 3/4 + 16/25 + 5/16
b,19/4 + 37/100 + 1/8 + 132/25 + 5/2 + 37/12
c, 1313/1313 * 165165/143143 * 424242/151515
d, (121/122 * 123/125 + 127/129) * (1995/1996 * 17/16 - 21/25 : 16/17) * (42/30 * 75/23 - 19/23 * 210/38
Bài 1: Tính nhanh
a, 5/11 + 1/2 + 2/5 + 6/11 + 3/4 + 16/25 + 5/16
b,19/4 + 37/100 + 1/8 + 132/25 + 5/2 + 37/12
c, 1313/1313 * 165165/143143 * 424242/151515
d, (121/122 * 123/125 + 127/129) * (1995/1996 * 17/16 - 21/25 : 16/17) * (42/30 * 75/23 - 19/23 * 210/38)
b,19/4 + 37/100 + 1/8 + 132/25 + 5/2 + 37/12
c, 1313/1313 * 165165/143143 * 424242/151515
d, (121/122 * 123/125 + 127/129) * (1995/1996 * 17/16 - 21/25 : 16/17) * (42/30 * 75/23 - 19/23 * 210/38
Thực hiện phép tính bằng cách thuận tiện nhất ( nếu có thể )
a, 50% + 7/12 - 1/2
b, 2022 x 67 + 2022 x 43 - 2022 x 10
c, 125 - 25 : 3 x 12
d, ( 1/2019x2021 + 1/2020x2022 + 2/2021x2023 ) x ( 1/5 - 1/20 + 1/4 )
