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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 6: o) 1 794 +[ 1 136 –(1 136 + 1 794)] p) (172 – 1 956) – (-1 956 – 28) q) 125 – (-115) –[315 +(-105)] r) 152 +(-73

Toán Lớp 6: o) 1 794 +[ 1 136 –(1 136 + 1 794)]
p) (172 – 1 956) – (-1 956 – 28)
q) 125 – (-115) –[315 +(-105)]
r) 152 +(-73) –(-18) -127
s) (35 -17) –(25 -17+22)
t) 5-(1 997 -2005) +1997
u) 14 537 – 4 +(5- 14 537)
v) 4 567 + (1234 – 4 567) -4
x) 1 579 –(53+1579)-(-53)
y) 13 579 – (14 – 53) +(-13 579)
a)3 579 –(49 -5+3579) +49
b) 20 + (-25 + 98 – 72)+(25 -98+72)
c) 6- (5-5 847 )+5 -5 847
d) -48 725 –(357 – 48 725) +300
e) 3 579 –(49- 5+ 3 579) +49
f) 54 – (45 -30 +54) -30 +5

Comments ( 1 )

  1. Giải đáp:
    a) 152 + (-73) – (-18) – 127 = [152 – (-18)] – [127 – (-73)] = 170 – 200 = -30
    b) 7 + 8 + (-9)  + (-10) = 15 + (-19) = -4
    Lời giải và giải thích chi tiết:
     v thôi

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222-9+11+12:2*14+14 = ? ( )