126+(-20)+l124I-(-320)-l-150l
=126-20+124+320-150
=106+124+320-150
=230+320-150
=550-150
=400.
k nha nếu đúng...
126+(-20)+|124|-(-320)-|150|=126+(-20)+124-(-320)-150
=106+124-(-320)-150
=230-(-320)-150
=550-150
=400
k nhé ......................
126+(-20)+l124I-(-320)-l-150l
=126-20+124+320-150
=106+124+320-150
=230+320-150
=550-150
=400.
k nha nếu đúng...
126+(-20)+|124|-(-320)-|150|=126+(-20)+124-(-320)-150
=106+124-(-320)-150
=230-(-320)-150
=550-150
=400
k nhé ......................
Thuc hien phep tinh
10-[120:3-2(132-117);2]
163-126:{150:3-320:[250-(120+15.6)
nhanh 9 tick giup ik mk can gap
126+(-20)+|124|-(-320)-|-150|
126 + ( - 20 ) + | 124 | - ( - 320 ) - | - 150 |
126 + (-20) + /124/ - (-320) - /-150/
126+(-20)+|124|-(-320)-|-150|
Giúp minh nhanh nhé
thuc hien phep tinh
73 . 35 + 27 . 19 - 20 . 73 + 81 . 27 + 85 . 73
thuc hien phep tinh :
a) 28/11 . 21/22 . 9
thuc hien phep tinh
a. 2 nhan 7 mu 2 - 16 nhan 2 mu 3
b. 17 nhan 120 + 17 nhan ( -20 )
1,thuc hien phep tinh hop li
a,187+[923-(923+887)]
B, 39.187+30^2-78.39
giup minh giai nhung thuc hien phe tinh nha