8+(-3)2次方X(-2) 100/(-2)2次方-(-2)/(-2/3) 23/{(-3)2次方-(-4)}
(3/4-7/8)/(-7/8 ) -2 2次方X3 2次方-(-2)2次方
(-5/6+3/8)x(-24)
=(-5/6)x(-24)+3/8x(-24)
=20-9
=11
8+(-3)2次方X(-2)
=8+9x(-2)
=8-18
=-10
100/(-2)2次方-(-2)/(-2/3)
=100x4-(-2)x(-3/2)
=400+3
=403
23/{(-3)2次方-(-4)}
=23/(9+4)
=23/13
(3/4-7/8)/(-7/8 )
=-(1/8)/(-7/8)
=7
-2 2次方X3 2次方-(-2)2次方
=4*9-4
=32
希望能帮到你!
=(-5/6)x(-24)+3/8x(-24)
=20-9
=11
8+(-3)2次方X(-2)
=8+9x(-2)
=8-18
=-10
100/(-2)2次方-(-2)/(-2/3)
=100x4-(-2)x(-3/2)
=400+3
=403
23/{(-3)2次方-(-4)}
=23/(9+4)
=23/13
(3/4-7/8)/(-7/8 )
=-(1/8)/(-7/8)
=7
-2 2次方X3 2次方-(-2)2次方
=4*9-4
=32
希望能帮到你!
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第1个回答 2011-10-11
(-5/6+3/8)x(-24)
=(-5/6)x(-24)+3/8x(-24)
=20-9
=11
8+(-3)2次方X(-2)
=8+9x(-2)
=8-18
=-10
100/(-2)2次方-(-2)/(-2/3)
=100x4-(-2)x(-3/2)
=400+3
=403
23/{(-3)2次方-(-4)}
=23除以{9+4}
=23/
(3/4-7/8)/(-7/8 )
=(3/4-7/8)X(-8/7 )
=(3/4X(-8/7 ) -7/8X(-8/7 )
=-6/7+1
=-1/6
-2 2次方X3 2次方-(-2)2次方
=(-5/6)x(-24)+3/8x(-24)
=20-9
=11
8+(-3)2次方X(-2)
=8+9x(-2)
=8-18
=-10
100/(-2)2次方-(-2)/(-2/3)
=100x4-(-2)x(-3/2)
=400+3
=403
23/{(-3)2次方-(-4)}
=23除以{9+4}
=23/
(3/4-7/8)/(-7/8 )
=(3/4-7/8)X(-8/7 )
=(3/4X(-8/7 ) -7/8X(-8/7 )
=-6/7+1
=-1/6
-2 2次方X3 2次方-(-2)2次方