(–4) . (+125) . (–25) . (–6) . (–8)
= [(–4) . (–25)] . [(+125) . (–8)] . (–6)
= (4 . 25) . [–(125 . 8)] . (–6)
= 100 . (–1000) . (–6)
= 100 . 1000 . 6 = 600 000
(–4) . (+125) . (–25) . (–6) . (–8)
= [(–4) . (–25)] . [(+125) . (–8)] . (–6)
= (4 . 25) . [–(125 . 8)] . (–6)
= 100 . (–1000) . (–6)
= 100 . 1000 . 6 = 600 000
tính nhanh
(-4).(+125).(-25).(-6).(-8)
1.TÍNH NHANH
a, (-4) . (+125).(-25) .(-6) . (-8)
Tính nhanh :
a, (-4).(+125).(-25).(-8).(-6)
b, (-2).(+12).(-50)
c, (-25).(-26).(-4)
tính nhanh:
(-4) . (+125) . (-25) .(-6). (-8)
(-98) . (1-126) -126 .98
tính nhanh:
a) (-4).(+125).(-25).(-6).(-8)
b) (-98).(1-246)-246.98
tính nhanh
c) (-4).125(-25)(-6)(-8)
d) (-98)(1-246)-246.98
tính nhanh
(-4).125.(-25).(-6).(-8)
(-98).(1-246)-246.98
(-4).3.(-125).(-8)
(-67).(1-301)-301.67
mong mọi người zúp nha
Tính nhanh :
a ) ( -4 ) . ( +125 ) . ( -25 ) . ( -6 ) . ( -8 )
b ) ( -98 ) . ( 1 - 246 ) - 246 . 98
Tính nhanh:
a) (-4) . (+125) . (-25) . (-6) . (-8);
b) (-98) . (1 - 246) - 246 . 98.