\(\frac{253\cdot75-161\cdot37+253\cdot25-161\cdot63}{100\cdot47-12\cdot3,5-5,8:0,1}=2\)
\(\frac{253\cdot75-161\cdot37+253\cdot25-161\cdot63}{100\cdot47-12\cdot3,5-5,8:0,1}=2\)
Tính nhanh :
253 x 75 - 161 x 37 + 253 x 25 - 161 x 63
100 x 47 - 12 x 3,5 - 5.8 : 0,1
tính nhanh
\(\frac{253\times75-161\times37+253\times25-161\times63}{100\times47-12\times3,5-5,8\div0,1}\)
235*75-161*37+235*25-161*63 / 100*7-12*35-5.8 :0.1
Tinh nhanh
253 x 75 - 161 x 37 + 253 x 25 - 63 / 100 x 47 -12 x 3,5 - 5,8 : 0,1
Tính A : A = (253 * 75 - 161 * 37 + 253 * 25 - 161 * 63)/(100 - 47 - 19 * 35 - 58 * 1) : 0 ,3*(Y+ 1 3 )= 1 2 *(0,81:2,7)
tinh nhanh
253 nhan 75 - 161 nhan 37 cong 253 nhan 25 tru 161 nhan 63
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100 nhan 47 tru 12 nhan 3,5 - 5,8 chia 0,1
nhanh ho mk nha mn phan so nha
Bai 1: Tinh
A = 253 x 75 - 161 x 37 + 253 x 25 - 161 x 63 / 100 x 47 - 12 x 3,5 - 5,8 : 0,1
Bai 2: Tim quy luat va tinh tong cua moi day:
a,1;3;9;27;...;729
b,1;2;4;8;...;2048
c,1;4;9;16;...;1089
Minh se tich diem cho cac ban ! giai ra nhe cac ban!
The square below is cut into 5 square and 1 rectangle. If the perimeter of the original square is 120 cm, find the area of the rectangle.