精品---
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%=(
511134 (3)7 (4) (5) 127348615217227153(7) (8) (9)(10)
97111410795115376(12) (13) (14) 0 (15) 18
359512791112(17) 2 (18) (19) (20) 8
310252313277151 (22) ∶ (23) ∶ (24) 0∶ (25) ∶4
741114945131(27) 7∶(28) ∶ (29) ∶ (30) ∶3 3 14
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.%=( )
(47)0.23%=( ) (48)
2=( 5
)%(49)
37=( ) (50) =( 4100
(54) ∶)%
二、化简比(10×1分=10分)
(51)36∶9
(52)80∶16
(53)7∶3.5
112∶
12(57)81∶18
(58) 1∶ (59)0.5∶25
1741 (55)0.36∶0.6 51011 (60) ∶
73(56)
三、解方程(10×1分=10分)
(61)
21xx1 33
(62) x(1)3.6 (63)
255114x 623
() x57x (65) 43x8013x 168(66)
259x 5610(67)
3x24 16
(68) x8x532 (69) x 943
(70) x1232x
四、计算(30×1分=30分)能简便的就简便
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精品---
(71)
2370.7575% 944
(72) 40%60%514753 (73) 20% 651010(74) 3.545.580%0.8 (75) 58(88)1.1255423% (76)3.1423 (77) 91200.5%20.5
(78) 23.715%3.715% (79) 3.142
(80) 3.1420 (81) 3.1419
22(82) 3.1450 (83) 3.149 (84) 3.1417
222(85)
2118 338 (86)
5435 7979 (87)
1211() 53513(88) (785) 121836
() (5855 )1232 (90)
712713 101310(91) (711313521)12 (92) (37.5%)(209%) (93) ()4
9344410810(94)
25(1814) 79(95) (1411) (96) 512321160%(40%) 52
(97) (321111) (98) ()67 4361267
(99) 0.635360% 588(100) 2.9(3.8)(45135) 88---精品