六年级口算、心算、快速算
一、口算,直接写结果(50×1分)=50分
78? 8711? (6)
101032 (11) ?
88353? (16)
9732求比值:(21) ∶
453 (26) ∶3
4
(1)(31)52
(36)112
(41)3.25=( (44)110%=(
(47)0.23%=(
511341 (3)7? (4)? (5)? 123486715217227153? (7)? (8)? (9)(10)?
97111410795115376(12) ? (13) ? (14) 0? (15) 18?
35951279911128??8 (17) ?2 (18) (19) ? (20) 102523133715127 (22) ∶ (23) ∶ (24) 0∶ (25) ∶4
11149474513114 (27) 7∶(28) ∶ (29) ∶3 (30) ∶3
112287(2)6?
(32)62 (33)72 (34)92 (35)102
(37)122 (38)132 (39)142 (40)152 )% (42)0.76=( )% (43)0.025=( )% ) (45)300%=( ) (46)20.64%=( )
) (48)
2=( 5
)%(49)
37=( ) (50) =( 4100
(54) ∶)%
二、化简比(10×1分=10分)
(51)36∶9
(52)80∶16 (57)81∶18
∶(56) 121 1241 (55)0.36∶0.6 510111∶ (59)0.5∶25 (58) 1(60) ∶
737(53)7∶3.5
三、解方程(10×1分=10分)
(61)
21x?x?1 33
(62) x?(1?)?3.6 (63)
25511?4x?? 623
(64) x?57x? (65) 43x?80?13x 168(66)
259?x? 5610(67)
3x?24 16(68) x?8x?532 (69) x? 943
(70) x?12?3?2x
四、计算(30×1分=30分)能简便的就简便
(71)
237??0.75??75% 944(72) 40%?60%?514753??20% (73) ?651010(74) 3.5?4?5.5?80%?0.8 (75) 58??(88?)?1.125?54?23% (76)??9??3.14?23
(77) 120?0.5%?20.5
(78) 23.7?15%?3.7?15% (79) 3.14?2
(80) 3.14?20 (81) 3.14?19
22(82) 3.14?50 (83) 3.14?9 (84) 3.14?17
222(85)
211?8?? 338 (86)
5435??? 7979(87)
1?211???(?)?? 5?3513?7127?13?? 101310(88) (785?)? 121836
(89) (?5855)? 1232(90)
(91) (3135217?11???)?12 (92) (?37.5%)?(?209%) (93) ??(?)?4? 44108109?34?(94)
25??(18?14) 79(95) (1?411?)? (96) 51232??1160%?(?40%)? ??5??2
(97) (321111??)? (98) (?)?6?7 4361267
(99) 0.6?353???60% 588(100) 2.9?(3.8?4135)?(?) 588
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