2015—2016学年上学期六年级数学
(解方程、简便运算)强化训练(一)
一、解方程。
123327(1) 3X= (2) X÷= (3) ÷X=
8(4)
X4=30% 7)X×35=20×14 (10)X - 15%X = 68 (13)X+738X=4 (16)6X+5 =13.4 (19)4X-3 ×9 = 29 22)0.36×5- 334 X = 5 25)23X÷14=12 (28)X×( 13136 + 8 )=12 (31) X - 45 X -4= 21 (1)(7112 - 5 )×60 4)(1.25-0.125)×8 (7)(12+27) ×7 716510(5)35X = 2572 (6)X-0.25=14
8)50% X + 45X = 3.6 (9) 25% X + 15%X = 45
(11)X- 2337 X =4 (12)X+8X=121
(14)112X + 6X = 4 (15)X+14X=20 (17)4X-6=38 (18)34X+134=8
(20)5X-3×55221=7 (21)4X-6×3=2
(23)X - 0.8 X = 16+6 24)23 ( X - 4.5) = 7 (26) 2(X-2.6)=8 (27) 2135 X-3 X=10 (29)X-0.375X =56 (30)20X– 8.5= 1.5 (32) 4+0.7X=102 (33)12 X - 25%X = 10 二、简便运算。 (2) 36×34
35
(3)0.65×101
(5) 2538 ×8 (6)24×(1112-38-16-13) (8)13×10.2 (9)2.6×99
精心整理
(((((
463671175(10) × + × (11) 27.5×3.7-7.5×3.7 (12)÷+×
713713959117733167313(13) ×101- (14) × 99 + (15)×-÷
10105551357777×103-×2- (17) 0.92×1.41+0.92×8.59
252525(18)2.25×4.8+77.5×0.48 (19) 4.8×7.8+78×0.52 (21)1.3×11.6-1.6×1.3
(16)
(22)
2272
×(15× )× (23) 4.36×12.5×8 (24) 2.5×32×1.25 2728152×0.8 (26) 9.6÷3.2÷3 (27)15.2÷0.25÷4 3(25)1.25÷888833(28) × ÷ × (29) ×3÷×3 (30) 146.5-(23+46.5)
999988(31)12.89-(3.89-1.6) (32)73.8-1.64-13.8-5.36 (33) 15.75+3.59-0.59+14.25 (34)15.48-(9.4-0.52) (35) 12.06+5.07+2.9 (36)30.34+9.76-10.34 精心整理
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