Đề thi HS giỏi cấp trường 12-13

ĐỀ THI HỌC SINH GIỎI CẤP TRƯỜNG NĂM HỌC 2012-1013 MÔN TOÁN LỚP 5 THỜI GIAM: 60 PHÚT  Khoanh tròn vào chữ cái đặt trước ý trả lời đúng cho mỗi câu sau: Câu 1 :              Câu 2             Câu 3:!"#$%&'#()*+%, *+/0$%1#(2%3#*4#5%*678 96* *678!$#:*;/5<'#(2%(+*+6.#%=*-9>          Câu 4:$%($6&+#:!?(1%6(28%!5# %@#:A%!5#;%B%,CDEF#%!G *H*%!5#%@#:*I($6&+#:(+-9 A. 50% B. 60% C. 70% D. 80% Câu 5: Kết quả phép nh  A J  A J  AA J  A     K DCBA =× Câu 6:L67#28MN O P%=*QE/9R%!D#: P KSAASA &P MKATPSMUP II.PHẦN TỰ LUẬN: 1/ =#%V%=*3#$E*4#5%*+*67896    *678!$#:    *678 * A   6'6 WWWWWWWWWWWWWWWWWWW WWWWWWWWWWWWWWWWWWWWW WWWWWWWWWWWWWWWWWWWW 2X6.##<#%8?6/9Y%8?6Z6C8&#6"8#G#4%3%8?6#:2E &%8?6Y> 6'6     WWWWWWWWWWWWWWWWWWW WWWWWWWWWWWWWWWWWWW     WWWWWWWWWWWWWWWWWWW WWWWWWWWWWWWWWWWWWW    3. $%R%R(6%[%,#-\*:6]/9(B#%,#-\*:6]AE\%^%R(6 /_6/5#%D*A`X:6]/9#:,a*(;]#:2%E\%=#($96b81#:(;]#:%[ %,#(B#%,# 96:6'6             LHEH#%H#3%6c:6Z6U  !@*#:6.   A d6*e8(\#: (       A C. 70% 5. D.  A 6. a) KSAASAM(P &PMKATPSMUPM(P f-85#d6-]6:6'6/9(HECD(\#: ( &96%H#(\#:( XM(PV%=*3#$E*4#5%-9      A      ==×× LHECD   XM (P#-8R#g#Y hM%8?6P cDEF#&i#:#8j#:/_6%8?6-9 hMF#P 8?6Y-\*(+-9 M%8?6P cD#GC8-9 hM#GP LHECD#GC8 M(P ]6:6#R%R(6%[%,#(B#%,#V*'%]6:6##:,-9  :6]AE\%h:6]A:6]AE\% ]6:6#R%R(6%[%,#(B#%,#R#:V%]6:6##:,-9 A:6]AE\%hE\%A:6]E\%  L?6A:6]E\%A :6]  L$96b81#:(;]#:%[%,#(B#%,#-9  A`SA MP  LHECD   ck*(lE( > < . ĐỀ THI HỌC SINH GIỎI CẤP TRƯỜNG NĂM HỌC 2012-1013 MÔN TOÁN LỚP 5 THỜI GIAM: 60 PHÚT  Khoanh