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a) (3600 - 36 ) : 18
=3564:18
=198
b) 4.37.6+12.25.2+3.8.38
=24.37+24.25+24.38
=24.(37+25+38)
=24.100
=2400
a)(3600-36):18
=3564:18
=198 nha
b)4.37.6+12.25.2+3.8.38
=(4.6).37+(12.2).25+(3.8).38
=24.37+24.25+24.38
=24.(37+25+38) nha
=24.100
=2400
tick cho mk nha bạn Vũ Lệ Quyên
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a,(2400+72)x24
=24x2400+72x24
=57600+1728
=59328
b,(3600-180):36
=3600:36+180:36
=100+5
=105
c,(525+315):15
=525:15+315:15
=35+21
=56
d,(1026-741):57
=1026:57-741:57
=18-13
=5
a)(2400+72)x24
=2472.24
=4128
b)(3600-180):36
=3420:36
=95
c,(525+315):15
=840:15
=56
d,(1026-741):57
=285:57
=5
Học Tốt !!!
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a.(1950+2555):15=1950:15+2555
=130+2555
=2685
b.(4200-378):21=4200-378:221
=4200-18
=4172
c.(3600-180):36=3600-180:36
=3600-5
=3595
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a)=49x(27+61+12)+100x51
=49x100+5100
=4900+5100
=10000
b)=7236:36
=201
k nha p
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để dễ tự làm đi
giúp tớ nhé
tớ bị trù 690 điểm
cảm ơn nhé
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a) − 6 13 − 1 − − 7 13 = − 6 13 − 1 + − 7 13 = − 6 13 + − 7 13 − 1 = − 1 − 1 = − 2
b) 1 9 + − 5 17 + 3 6 + − 12 17 + − 1 2 + 5 9 = 1 9 + − 5 17 + 3 6 + − 12 17 + − 1 2 + 5 9 = − 5 17 + − 12 17 + 1 9 + 5 9 + 3 6 + − 1 2 = − 1 + 2 3 + 0 = − 1 3
a) \(\left(7200+36\right):36\)
\(=7200:36+36:36\)
\(=36\cdot200:36+1\)
\(=201\)
b) \(\left(3600-84\right):12\)
\(=12\cdot300:12-84:12\)
\(=293\)