tinh hop li(-167).83+167
( -167 ) x 83 + 167 x ( - 17 ) - 33
\(-167.83+167.\left(-17\right)-33\)
\(=-167.83+\left(-167\right).17-33\)
\(=-167.\left(83+17\right)-33\)
\(=-167.100-33\)
\(=-16700-33=-16733\)
( -167 ) . 83 + 167 . ( - 17 ) - 33
= ( -167 ) . 83 + ( -167 ) . 17 - 33
= ( -167 ) . ( 83 + 17 ) - 33
= -167 . 100 - 33
= -16700 - 33
= -16733
( -167 ) x 83 + 167 x ( - 17 ) - 33 \(=167.\left(-83+-17\right)-33\)
\(=167.\left(-100\right)-33\)
\(=-16700-33=-16733\)
HTDT
Tính: (-167).(-83) + 167.17 - 33
− 167 . − 83 + 167.17 − 33 = 167.83 + 167.17 − 33 = 167. 83 + 17 − 33 = 167.100 − 33 = 1667
Tính: (-167).(-83) + 167.17 -33
− 167 . − 83 + 167.17 − 33 = 167.83 + 167.17 − 33 = 167. 83 + 17 − 33 = 167.100 − 33 = 1667
thuc hien phep tinh ( hop li neu co the ) :
a, (-167) - |-24| + 67
b, (-1988 - 432) - (-32 - 1988)
c, 5. (-7) - (-4)2 - | -1010 |
d, 61 - 93 . 61 + (-61) . 8
a, (-167) - |-24| + 67
=(-167+67)-|-24|
=-100 - 24
=-124
b, (-1988 - 432) - (-32 - 1988)
= -1988+432-32+1988
= (-1988+1988) + (432-32)
= 0+400
=400
a, ( - 167 ) - |- 24 | + 67
= [ ( - 167 ) + 67 ] - 24
= - 100 - 24
= - 124
b, ( - 1988 - 432 ) - ( - 32 - 1988 )
= - 1988 - 432 - 32 + 1988
= ( - 1988 + 1988 ) - ( 432 - 32 )
= 0 - 400 = - 400
[ (-59+71)-[(-83)-(-95)]
(435-167-89)-(435-89)
: (-624)-[(376+245)-45]
a: \(\left[\left(-59\right)+71\right]-\left[\left(-83\right)-\left(-95\right)\right]\)
\(=\left[71-59\right]-\left[-83+95\right]\)
=12-12
=0
b: \(\left(435-167-89\right)-\left(435-89\right)\)
\(=435-167-89-435+89\)
\(=\left(435-435\right)+\left(89-89\right)-167\)
=0+0-167
=-167
c: \(\left(-624\right)-\left[\left(376+245\right)-45\right]\)
\(=\left(-624\right)-\left[376+245-45\right]\)
\(=\left(-624\right)-376-200\)
=-1000-200
=-1200
+2+7+8-7-2-9-189-75+83-125+237-167-238+432 =???
tinh nhanh
28(29-23) - 29(28-23)
(-167). (67-34)-67.(34-167)
28(29-23) - 29(28-23)
= 812-644-812+667
= 23
(-167).(67-34)-67.(34-167)
= -11189+5678-2278+11189
= 3400
28(29-23) - 29(28-23)
= 812-644-812+667
= 23
(-167).(67-34)-67.(34-167)
= -11189+5678-2278+11189
= 3400
28(29-23) - 29(28-23)
= 812-644-812+667
= 23
(-167).(67-34)-67.(34-167)
= -11189+5678-2278+11189
= 3400
đây nha
tick cho mk nha
bt1: tính nhanh
a) - 287+ 499+ (- 499)+ 285
b) ( 326- 43) + ( 174- 57)
c) ( 351- 875) - ( 125 - 149)
d) (-8) . 25 .(-2) .4 (-5) .125
e) (-167). 83+ 167. (-17) -33
g) (- 284). 172+ (-284). (-72)
a) - 287+ 499+ (- 499)+ 285
= ( - 287 + 285 ) + [ 499 + ( - 499 ) ]
= -2 + 0 = -2
b) ( 326- 43) + ( 174- 57)
= 326 - 43 + 174 - 57
= ( 326 + 174 ) - ( 43 + 57 )
= 500 - 100
= 400
c) ( 351- 875) - ( 125 - 149)
= 351 - 875 - 125 + 149
= ( 351 + 149 ) - ( 875 + 125)
= 500 - 1000
= - 500
d) (-8) . 25 .(-2) .4 (-5) .125
= [ ( - 8 ) . 125 ] . (25 . 4) . [( - 2) . ( - 5)
= 1000 .100 . 10
= 1000000
e) (-167). 83+ 167. (-17) -33
= 167 . [ ( - 83 ) + ( - 17) ] - 33
= 167 . ( - 100) -33
= - 16700 -33
= - 16733
g) (- 284). 172+ (-284). (-72)
= ( - 284 ) . ( 172 - 72)
= - 284 . 100
= - 28400
~ Học tốt
# Chiyuki Fujito
Tính
a) 2.(-25).(-4).50
b) 16.50.(-25).(-250)
c) (-167).(-83)+167.17-33
d) (135-35).47-53.(-48-52)
a) 2.(-25).(-4).50 = 10000
b) 16.50.(-25).(-250) = 5000000
c)
− 167 . − 83 + 167.17 − 33 = 167.83 + 167.17 − 33 = 167. 83 + 17 − 33 = 167.100 − 33 = 1667
d)
135 − 35 .47 − 53. − 48 − 52 = 100.47 − 53. − 100 = 100.47 + 53.100 = 100. 47 + 53 = 100.100 = 10000