tinh nhanh
135 + 360 + 65 + 40
tinh nhanh
135+360+65+40
463+318+137+22
20+21+22+......+29+30
1, ko ghi lại đề
=(135+65)+(360+40)
=200+400
=600
2, ko ghi lại đề
=(463+137)+(318+22)
=600+340
=940
3, ko ghi lại đề
=(20+30)+(29+21)+(28+22)+(27+23)+(26+24)+25
=50x5+25
=250+25
=275
Tính nhanh: 135 + 360 + 65 + 40
135 + 360 + 65 + 40 = (135+65) + (360+40) = 200 + 400 = 600;
135+360+65+40
135+360+65+40
=(135 +65) + (360 +40 )
=200 + 400
= 600
135+360+65+40=?
135+360+65+40=495+65+40
=560+40
=600
135+360+65+40=(135+65)+(360+40)
=200 + 400
=600
tính nhanh
135+360+65+40
135 + 360 + 65 + 40
= (135 + 65 ) + ( 360 + 40 )
= 200 + 400
= 600
135 + 360 + 65 + 40
= ( 135 + 65 ) + ( 360 + 40 )
= 200 + 400
= 600
135 + 360 + 65 + 40
=( 135 + 65 ) + ( 360 + 40)
= 200 + 400
= 600
135+360+65+40
tính nhanh nha
135+360+65+40
=(135+65)+(360+40)
=200+400
=600
k mik nha
135 + 360 + 65 + 40 = ( 135 + 65 ) + ( 360 + 40 ) = 200 + 400 = 600
135+360+65+40+463+318+137+22+20+21+29+30=?
135+360+65+40+463+318+137+22+20+21+29+30
= (135+65 ) + ( 360+40 ) + ( 463+137 ) + ( 318+22 ) + ( 21+29 ) + ( 20+30 )
= 200 + 400 + 600 + 340 + 50 + 50
= 1640
tính nhanh:
a)135+360+65+40
b)463+318+137+22
a)135+360+65+40
= ( 135 + 65 ) + ( 360 + 40 )
= 200 + 400
= 600
b)463+318+137+22
= ( 463 + 137 ) + ( 318 + 22 )
= 600 + 340
= 940
=600
=940
k mk nhé
...........ok
# chikute #
a) 135 + 360 + 65 +40
= 495 + 65 + 40
= 560 + 40
= 600
b) 463 + 318 + 137 + 22
= 781 + 137 + 22
= 918 + 22
= 940
Học tốt
Tính:
\(\)a) 127 + 29 + 73;
b) 135 + 360 + 65 + 40;
c) 417 - 17 - 299;
d) 981 - 781 + 29.
`a) 127 + 29 + 73`
`= (127+73)+29`
`= 200 + 29`
`= 229`
`c) 135 + 360 + 65 + 40`
`= (135+65)+(360+40)`
`= 200+400`
`= 600`
`c) 417-17-299`
`= (417-17)-299`
`= 400 - 299`
`= 101`
`d) 981-781+29`
`= (981-781)+29`
`= 200 + 29`
`= 229`
a) 127 + 29 + 73 = 229
b) 135 + 360 + 65 + 40 = 600
c) 417 - 17 - 299 = 104
d) 981 - 781 + 29 = 229
Chúc bạn học tốt!! ^^
a)127+29+73)127+29+73
=(127+73)+29=(127+73)+29
=200+29=200+29
=229=229
c)135+360+65+40)135+360+65+40
=(135+65)+(360+40)=(135+65)+(360+40)
=200+400=200+400
=600=600
c)417−17−299)417-17-299
=(417−17)−299=(417-17)-299
=400−299=400-299
=101=101
d)981−781+29)981-781+29
=(981−781)+29=(981-781)+29
=200+29=200+29
=229
đáp án đây nhé