\(\left(-52\right)+7+\left|-52\right|-37\)
\(=-52+7+52-3\)
\(=4\)
#hoktot<3#
(-52)+7+|-52|-37
= -52+7+52-3
=4
\(\left(-52\right)+7+\left|-52\right|-37\)
\(=\left(-52\right)+7+52-37\)
\(=7-37\)
\(=-30\)
\(\left(-52\right)+7+\left|-52\right|-37\)
\(=-52+7+52-3\)
\(=4\)
#hoktot<3#
(-52)+7+|-52|-37
= -52+7+52-3
=4
\(\left(-52\right)+7+\left|-52\right|-37\)
\(=\left(-52\right)+7+52-37\)
\(=7-37\)
\(=-30\)
tính hợp lí
a) 7.(-2)3-12.(-5)+(-17)
b) 1632-37-(-157)-163-1532
c) 47.(-918)+(-53).918
d) (-52).(-281)+(-52).181
64 . 52 + 37 + 52 -3 . 25
64 . 52 + 37 . 52 - 2 . 26
Bỏ ngoạc rồi tính
a) -( -35 + 7 -13 ) + (2 - 35) - (13 - 7)
b) (70 + 8 - 35) - (8 - 37 - 10) - 70
c) 5 - (14 + 4 - 52) - (52 - 14) + 4
d) (-24) + (19 + 12) - (15 - 12 + 4)
Bài 2:
a) 37 x 7 - 17 x 11 + 13 x 37 + 17 x 21
b) 55 x 52 : 54 - 28 : 24
c) 311 x 12 + 312 x 5 - 314
a) (51 - 2022) + 2022
b) (-2019) - (11 - 2019)
c) (27 - 52) - (37 - 52)
d) (19 - 32 + 41) - (19 - 25 + 41)
mik cần gấp.
tim tỉ số A/B biết
A=34/7*13+51/13*22+85/22*37+68/37*49
B=39/7*16+65/16*31+52/31*43+26/43*49
thực hiện phép tính a, 33 12 .23b, 38 . 52 38 . 49 76.13c,20150 122 24. 52 42 d, 33 35 37 ... 39
tinh a/b biet a=24/7*13+51/13*22+85/22*37+68/37*49
b=39/7*16+65/16*31+52/31*43+26/43*49