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5 x 9 : 5 x 10 x 2 x 3 x 3 + 100 x 2
= ( 5 : 5 ) ( 9 x 10 x 2 x 3 x 3 ) + 100 x 2
= 1 x 1620 + 100 x 2
= 1620 + 200
= 1820
5 x 9 : 5 x 10 x 2 x 3 x 3 + 100 x 2
= ( 9 x 0 x 2 x 3 x 3 ) x ( 5 : 5 ) + 100 x 2
= 1620 x 1 + 200
= 1620 + 200
=1820
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5 x 6 = 30
5 x 9 = 45
7 x 7 = 49
12 x 2 = 24
7 x 6 = 42
Tick đúng nha !!!
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cái này mình tính 7x8x2 trước là được 112 trừ 7 được 105 cộng với 5x9 là 105 cộng 45 bằng 150 mới đúng nha bạn, nhân chia trước, cộng trừ sau
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\(5.9+4+1+x:2=99\)
\(45+4+1+x:2=99\)
\(49+1+x:2=99\)
\(50+x:2=99\)
\(x:2=99-50\)
\(x:2=49\)
\(x=49.2\)
\(x=98\)
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vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
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5x1=5
5x2=10
5x3=15
5x4=20
5x5=25
5x6=30
5x7=35
5x8=40
5x9=45
5x10=50
mọi người nha ^_^
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Nhanh đi tớ ẻ có giải vào nhà tớ towsw cho 20000000000000000000000 tỷ cịu ko?
5 x 9 : 5 x 9 : 5 = 16 ,2
tick cho minh nha
5+8=8+8