3 . 25 . 8 + 4 . 37 . 6 + 2 . 38 . 12
Tính nhanh :
3 . 25 . 8 + 4 . 37 . 6 + 2 . 38 . 12
\(3.25.8+4.37.6+2.38.12\\ =\left(3.8\right).25+\left(4.6\right).37+\left(2.12\right).38\\ =24.25+24.37+24.38\\ =24\left(25+37+38\right)\\ =24.100\\ =2400\)
3*25*8+4*37*6+2*38*12=?
3x25x8+4x37x6+2x38x12
= ( 3x8)x25 + ( 4x6)x37+(2x12)x38
=24x25+24X37+24X38
=24x (25+27+38)
=24x 1000
= 2400
kunzy nguyễn làm sai 25+27+38=90,tui tính lại rùi
3 * 25 * 8 +4 * 37 * 6 + 2 * 38 * 12
3 x 25 x 8 + 4 x 37 x 6 + 2 x 38 x 12
= 3 x 8 x 25 + 4 x 6 x 37 + 12 x 2 x 38
= 24 x 25 + 24 x 37 + 24 x 38
= 24 x ( 25 + 37 + 38 )
= 24 x 100
= 2400
3 * 25 * 8 +4 * 37 * 6 + 2 * 38 * 12
= 600 + 888 + 912
= 2400
Hay:
3 * 25 * 8 +4 * 37 * 6 + 2 * 38 * 12
= 600 + 888 + 912
= 600 + (888 + 912)
= 600 + 1800
= 2400
3*25*8 +4*37*6 + 2*38*12
3*25*8+4*37*6+2*38*12
=600+888+912
=1488+912
=2400
Tích nha
3x25x8+4x37x6+2x38x12
=600+888+912
=2400
3 x 25 x 8 + 4 x 37 x 6 +2 x 38 x 12
3 x 25 x 8 + 4 x 37 x 6 +2 x 38 x 12
= 3 x 8 x 25 + 4 x 6 x 37 + 2 x 12 x 38
= 24 x 25 + 24 x 37 + 24 x 38
= 24 x (25 + 37 + 38)
= 24 x 100
= 2400
25x ( 3x 8) + 37x (4x6) + 38x(2x12)
25x 24+ 37x24+ 38x24
24x ( 25+37+38)
24x 100
2400
3 nhân 25 nhân 8 + 6 nhân 37 nhân 4 + 2 nhân 38 nhân 12
=600+888+912
=1488+912
=2400
3*25*8+3*37*6+2*38*12
3 x 25 x 8 + 3 x 37 x 6 + 2 x 38 x 12 = 600 + 666 + 912
= 2178
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tính nhanh:
3 x 25 x 8 + 4 x 37 x 6 + 2 x 38 x 12
3 x 25 x 8 + 4 x 37 x 6 + 2 x 38 x 12
= (3.8).25 + (4.6).37 + (2.12).38
= 24.25 + 24.37 + 24.38
= 24. ( 25+37+38)
= 24.100
= 2400
\(3.25.8+4.37.6+2.38.12\)
\(=24.25+24.37+24.38\)
\(=24.\left(25+37+38\right)\)
\(=24.100\)
\(=2400\)
Tham khảo nhé~
3 x 25 x 8 + 4 x 37 x 6 + 2 x 38 x 12
=(3.8).25+(4.6).37+(2.12).38
=24.25+24.37+24.38
=24.(25+27+38)
=24.100
=2400
Tính nhanh
3 . 25 . 8 + 4 . 37 . 6 + 2 . 38 . 12
Ai nhanh mk tick
\(3\cdot25\cdot8+4\cdot37\cdot6+2\cdot38\cdot12\)
\(=24\cdot25+24\cdot37+24\cdot38\)
\(=24\left(25+37+38\right)=24\cdot100=2400\)
Tính nhanh
3 . 25 . 8 + 4 . 37 . 6 + 2 . 38 . 12=2400
3.25.8+4.37.6+2.38.12
=24.25+24.37+24.38
=24(25+37+38)
=24.100
=2400