7/100+18/21+19/32+1/4+3/21+13/32
=7/100+(18/21+3/21)+(19/32+13/32)
=7/100+ 1 + 1
= 207/100
7/100+18/21+19/32+1/4+3/21+13/32
=7/100 + 1/4 + (18/21+3/21)+(19/32+13/32)
=7/100+ 25/100 + 1 + 1
=8/25 + 2
=58/25
7/100+18/21+19/32+1/4+3/21+13/32
=7/100+(18/21+3/21)+(19/32+13/32)
=7/100+ 1 + 1
= 207/100
7/100+18/21+19/32+1/4+3/21+13/32
=7/100 + 1/4 + (18/21+3/21)+(19/32+13/32)
=7/100+ 25/100 + 1 + 1
=8/25 + 2
=58/25
Tính nhanh :75/100+18/21+19/32+1/4+3/21+13/32
Tính nhanh : 75/100 +18/21+19/32+1/4+3/21+13/32
tính nhanh : 75/100 + 18/21 + 19/32 + 1/4 + 3/21 + 13/32
Tính;
75/100+18/21+19/32+1/4+3/21+13/32
AI NHANH TICK NHA
Tính bằng cách hợp lý :
75/100 + 18/21 + 19/32 + 1/4 + 3/21 + 13/32
tính nhanh
4/5-2/3/+1/5-1/3
2/5 x 7/4 - 2/5x3/7
13/4 x 2/3 x 4/13 x 3/12
75/100 + 18/21 + 19/32 +1/4 + 3/21 + 13/32
2/5 + 6/9+3/4+3/5+1/3+1/4
tinh bằng cách nhanh nhất
a 35 nhân 7-70+35 nhân 5
b,75/100+18/21 +19/32+1/4+3/21+13/32
tính bằng cách thuận tiên nhất
a, 35 nhân 7 - 70 + 35 nhân5
b,75/100+18/21+19/32+1/4+3/21+13/32
tính nhanh:18/21 +19/32 +3/21+13/32
(giúp nhanh nhanh hộ tui nha)