Gián án đề thi số học 6 (hay)

Hä vµ tªn:…………………………………… Líp:…………. KiÓm tra sè häc 6 ch¬ng 2: sè nguyªn   !"# $% & ' ( ) * %+ & , ( -. ( #/01 2,3 *  4#201 / 5#/0/ / 6#/02 / 7#/02 2 #+ * 83 * 8-. ( +9: ( ,; & < =  4 >/ >/>/? 6 >/ >/@ =  5A>/ >/@ = / 7A> >/ >>/>0  a B0C = %) =  4B0DB/0 6B0 5B 7B) * B/ " * 83 * 8 = -< = %. *  & " 4EA>/#>">/"F 6EA>/ >/#/"F 5EA>/">/GF 7E >/">/GF HIJ-. ( C ( 3 * 8@ = .@.  1H//B %KLLM/ <N  II.TỰ LUẬN : ( 7 đ) 6N  K8O!8-L+-PQR)'S0>A>/T>/ >/ %U+@NVW-L+OX # Ax− ≤ < 6N##, * + * 8P ( 8C (  /H2#"2/G/#/H %/#  2 1 3− 2/ /#/ 6NVhợp lý# HG01T#1HG02#A /T# %#T#?/#?T2#?A 6N"YO#   G Tx+ = − % A/#O2HB " Bài làm :                      I8  6>#6>4>"5#>H/#ZH%   R<[T Bài 1) /T>/>/ >A>0  Bài 2) 2a) ( - 5 + 2 ) . 4 + ( - 8 -2) : (-5) = B/"2/ A/H A:H B/ #2# A:#H B/ A A:#H #% (-2) 3 + 1 3− + (-1).(-2).(-3)= B/G2 2− /? A:H B/G2#/? A:#H B/ # A:#H Bài 3) a) ( 589 – 732) – ( 589 +2011 -732) BHG0/T#/HG01#A 2T# A:H BHG0/HG02/T#2T#1#A A:#H BA2A/#A B/#A A:#H b) 237.26 - 26.337 +2603 B#T/T#?2#?A A:H B/ AA#?2#?A A:#H B/#?AA2#?AB A:#H Bài 4 a) 3x + 8 = - 7 OB/T/G A:#H OB/ H A:#H OB/ H A:#H OB/H A:#H b) 10 -2(x +5) = 14 2(x +5) = 10- 14 A:#H #O2HB/" O2HB/"# A:#H O2HB/# A:#H OB/#/H OB/T A:#H \4$] +MJ ^[%! ._ `['a Wb ^$c U ^$c U ^$c U QR9 KL #  -_ # #8d8V@J-L +2e8d8V KL # " -_ A:H # :H c'f DZc_@! KL # " -_ A:H # :H "6b@N,;-L + KL # # -_ gb KL ?    -_    A . A:H BHG0/HG02/T#2T#1#A A:#H BA2A/#A B/#A A:#H b) 237. 26 - 26. 337 + 260 3 B#T/T#?2#?A A:H B/ AA#?2#?A A:#H B/#?AA2#?AB. ≤ < 6N##, * + * 8P ( 8C (  /H2#"2/G/#/H %/#  2 1 3− 2/ /#/ 6NVhợp