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- 50 + 50 + 50 = 150
- 569 + 89 + 90 = 748
- 12 + 12 = 24
- 78 + 78 = 156
- 4 + 7 = 11
- 6 + 8 = 14
- 9 + 0 = 9
- 56 - 43 = 13
50+50+50
=150
569+89+90
= Bao nhiêu í mik chưa tính
12 + 12
=24
78+78
= 156
4+7
=11
6+8
=14
9+0
=9
56-43
= 13
#)Giải:
12345 x 47 = 580215
56789 x 67 = 3804863
91234 x 56 = 5109104
45678 x 78 = 364884
89010 x 56 = 4984560
#~Will~be~Pens~#
12345 × 47 = 580215
56789 × 67 = 3804863
91234 × 56 = 5109104
45678 × 78 = 364884
89010 × 56 = 4984560
# Hok tốt #
123-76=47
56-51=5
78-56=22
56-7x5=21
53-23=30
42:2=21
chúc bạn học giỏi hơn
tk mình nha
123-76=47 : 56-51=5 : 78-56=22
56-(7x5)
56-35=21 : 53-23=30 : 42 :2=21
(29 x 2 + ( 56 x 9 + ( 45 x 7 + ( 67 x 3 + ( 89 x 6 ) = (29 + 56 + 45 + 67 + 89) x (2 x 9 x 7 x 3 x 6)
= (85 + 45 + 67 + 89) x (18 x 7 x 3 x 6)
= (130 + 67 + 89) x (126 x 3 x 6)
= (197 + 89) x (378 x 6)
= 266 x 2268
= 589080
33+45=78
43+56=99
32+78=110
43+67=110
22+22=44
CHÚC BẠN HỌC TỐT !
a) 12 + 23 + 34 + 45 + 56 + 67 + 78 + 89
= ( 12 + 78 ) + ( 23 + 67 ) + ( 34 + 56 ) + ( 45 + 89 )
= 90 + 90 + 90 + 132
= 90 x 3 + 132
= 270 + 132
= 402
b) 125 x 6 x 7 x 8
= 750 x 7 x 8
= 5250 x 8
= 42000
c) ( 56 x 78 + 56 x 47 ) : 7
= 56 x ( 78 + 47 ) : 7
= 56 x 125 : 7
= 7000 : 7
= 1000
a) 12 + 23 + 34 + 45 + 56 + 67 + 78 + 89
= ( 12 + 78 ) + ( 23 + 67 ) + ( 34 + 56 ) + ( 45 + 89 )
= 90 + 90 + 90 + 132
= 90 x 3 + 132
= 270 + 132
= 402
b) 125 x 6 x 7 x 8
= 750 x 7 x 8
= 5250 x 8
= 42000
c) ( 56 x 78 + 56 x 47 ) : 7
= 56 x ( 78 + 47 ) : 7
= 56 x 125 : 7
= 7000 : 7
= 1000
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