6.75开根号 5.28x6.75十2.64x6.5简算

5.28x6.75十2.64x6.5简算  

5.28x6.75十2.64x6.5简算

5.28x6.75十2.64x6.5
=2.64x2x6.75十2.64x6.5
=2.64x13.5十2.64x6.5
=2.64x(13.5十6.5)
=2.64x20
=52.8

5.28x6.57+2.64x6.5简便计算

5.28x6.57+2.64x6.5
=5.28x6.5+5.28x0.07+2.64x6.5
=6.5x(5.28+2.64)+0.3696
=6.5x7.92+0.3696
=6.5x8-6.5x0.08+0.3696
=46-0.46+0.3696
=46+0.3696-1+0.54
=45.9096

5.28x6.5 12.3怎么简算

5.28x6.5 +12.3
=34.32+12.3
=46.62

没有简算，直接计算

14.8x6.3-6.3x6.5 8.4x3.7简算

14.8x6.3-6.3x6.5+8.4x3.7
=(14.8-6.5)x6.3+8.4x3.7
=8.3x6.3+8.4x3.7
=(8.4-0.1)x6.3+8.4x3.7
=8.4x6.3-0.1x6.3+8.4x3.7
=8.4x(6.3+3.7)-0.63
=8.4x10-0.63
=84-0.63
=83.37
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简算。8888x66667+44444x666666

88888x666667+44444x666666
=88888x666667+88888×333333
=88888×（666667+333333）
=88888×1000000
=88888000000

简算88888x66667x44444x66666

是88888x66667+44444x66666 吧！

=88888×66667+44444×2×33333 （拆分）

=88888×66667+88888×33333 （乘法结合律）

=88888×（66667+33333）（乘法交换律）

=88888×100000

=8888800000

25x98x64-98x64x25的简算

25x98x64-98x64x25
=25x98x（64-64）
=25×98x0
=0

简便计算17.8x6.5-8.8x6.5+6.5

解：17.8x6.5-8.8x6.5+6.5
=6.5x(17.8-8.8+1)
=6.5x|(9+1)
=6.5x10
=65

68x0.17+27.4x6.7能简算吗

68×0,17+27,4×6,7
=(67+1)×0,17+27,4×6,7
=67×0,17+0,17+2,74×67
=67×(0,17+2,74)+0,17
=67×2,91+0,17
也就能这样了

134x8+8x66 简算

134x8+8x66
=8x(134+66)
=8x200
=1600