一、 竖式计算。 1、(得数保留一位小数) (1)0.38×0.23 ( 2) 5.79×3.6 (3) 4.6×0.25 (4)6÷24 (5)52.95÷75 (6) 3.01÷7 (7)4.95÷11 (8)84.01÷31(用乘法验算) (9)0.646÷19 (10)4.7×0.59 2、(除不尽的保留两位小数) (11)3÷1.2 (12) 2.7÷0.36 (13) 88.4÷1.7 (14) 7.525÷0.38 (15)4÷15 (16)91.2÷0.57 (17) 84.84÷1.2 (18) 5.63÷6.1 (19)56÷77 (20)1.47÷4.2 (21)19.19÷0.95 (22) 56.29÷6.1 (23)23÷33 (24)7.41÷0.57 (25) 21÷240 (26)9.68÷16 (27) 3.85÷0.76 (28)53.3÷4.7 (29)56.29÷6.1 (30)28.74÷31 3、得数用循环小数表示。 (31) 0.2÷0.06 (32) 13÷11 (33) 30.1÷33 (34) 17÷15 (35)7.8÷2.2 (36)5.52÷9 (37)67.8÷11 (38)8÷7 二、能简便计算的要简便计算 (39)2.5×3.6×0.9 (40)12.5×0.3×8.8 (41)1.25×(100-8) (42)42÷(5.25÷0.25) (43)0.4+12.6÷0.28×0.2 (44) 8.4-8.4×1.5÷1.8 (45)12.5×4.5+4.5×12.5+12.5 (46) 1.2×98 (47)2.4×1.25×0.3 (48) (20-0.8×9) × 5.7 (49)0.8×13-3.12+5.28 (50) 118-(11.4-12.5×0.8) (51)50×(6.7×0.02) (52) (0.25+2.5+25)×0.4 (53) 3.5×1.02+35×0.098 (54)0.27×99+0.27 (55) 2.5×3.2×0.125 (56) 13.5÷2.5÷0.125÷0.4÷8 (57) 2.61×4.5+2.61×6.5-2.61 (58) 3.4×1.01 (59) 6.5×1.98 (60)6.8×0.75÷0.5 (61)13.75÷0.125–2.75 (62)1.53+23.4÷7.2 (63)22.9-13.68+12.68 (64) 4.7×11-4.7 (65) 28.8×6.3-6.3×18.8 (66)4.8+5.2÷4 (67)5.37—(2.37+1.8) (68)10.01-2.78+1.59 (69)2.85÷1.25÷0.8 (70)10.5×0.25×12 (71) 3.7×91.6+7.3×91.6-91.6 (72)3.2×0.82+3.2×1.18 (73)4.05÷0.5-1.14 (74) 1.58×99+1.58 (75)12.5×0.4×2.5×8 (76)7.75×[20÷(3.24-3.04)] (77)43.2-1.8×3-4.6 (78)4.2×7.8+2.2×4.2 (79) 0.87×3.16+4.64 (80)12.5×4.8 (81)4.7×4.7+4.7×6.3-4.7 (82)12.5×3.2×0.25 (83)23.4÷7.2+6.5×0.8 (84)20.64-9.83-0.17 (85)6.8÷(1.2+0.5)×0.04 (86) 7.26-5.4+1.74-1.6 (87)2.06+2.06×99 (88)9.5×101 (89)100-2.7÷0.36-2.5×5 (90) (1.62+1.62+1.62+1.62)÷1.8×2.5 (91)2.8×0.5+0.5×28.2-0.5 (92)3.2×2.5×1.25 (93) 7.2÷([7.22-6.4)÷0.9] (94)4.65×32+2.5×46.5+0.465×430 (95)7.25×67.875+725×0.7875+7250×0.053375 (96)0.46×1.9+0.54×1.9 (97) 3.45×102 (98) 12.5× 88 (99) 13.65÷0.25÷6 (100) 28.98÷6.3 -3.15 三、解方程 (101)8x=24 (102)x÷0.5=1.2 (103)x-3.8=9.53 (104)4.06+x=7.11 (105)x÷1.5=1.5 (106) 2.4x=26.4 (107)3x-24=9 (108)13x+2×7=40 (109)96÷6+4x=56 (110)3x-1.2x=9 ( 111)3.6x+2×1.4=8.2 (112)18×0.6-10x=4.26 (113)0.4(x-3)=0.72 (114) 1.5×(10-x)=3 (115)2.8÷(3+x)=3.5×0.2 (116)0.8(x+4.8)=5.2 (117)(x-6)÷0.5=3 (118)4x-45+18=21 (119)1.6x-9=3.8 (120)4(0.9+x)=4.8 (121) (x-1.9)÷5=1.1 (122)0.4×20-0.4x=6 (123)24x-8x=28.8 (124)4.5x+1.6x=42.7 (125) (7-1.4)x=2.8 (126) 9x-5.2×6=4.8 (127)(2.5+x)÷0.8=5 (128)0.5×(x-1.8)=2.4 (129)22.5×2+5x=135 (130)4×(0.3+x)=4.8 (131)0.4×20-0.4x=6 (132)(4x-0.32)+1.6=2.08 (133)3.5x-x=17.5 (134)4x-10=x+110 (135)8.9-5x=2.7 (136)3.54×5-1.7x=13.45 (137)1.6x+2x×0.7=18 (138)4x-0.32+1.6=2.08 (139)28-x+3.6=20 (140)3.5x-0.8x=11.34 (141)9x-14×5.5=58 (142)6.2x-x=41.6 (143)2.8÷(3+x)=3.5×0.2 (144)3x+2×7=50 (145)12 (x+3.7)=144 (146)5x-3×11=42 (147)7.2x-3.6x=9×0.4 (148)x-0.8x+0.7x=8.1 (149)1.8×2-0.3x=2.4 1 1.06×2.5= 2.7×0.43= 28.2×0.45= 5.6×1.3= 0.1575÷3.15= 0.612÷1.8= 2 2.139÷9.3×6.2 376-1.5÷0.24 0.72×0.8÷0.32 4.264÷(0.16×20.5) 3 4.05÷0.5+10.75 21.6÷0.8-1.2×5 6.8×2.7+2.7×3.2 8.4×6.9÷(6.44-4.14) 0.38×102 4.8×0.27+0.52×2.7 4 5.5x+6.7=7.8 28-x+3.6=20 3.5x-0.8x=11.34 5 1、汽车站有480箱货物,一辆货车运了5次,还剩30箱,平均每次运多少箱 (列方程解答) 2、A,B两城相距150千米,甲乙两人同时骑自行车从两地相对出发,甲每小时行16千米,4小时后,两人还相距30千米, 乙每小时行多少千米 3、果园里有桃树和杏树一共1080棵,已知杏树经桃树的棵数多180棵,杏树和桃树各有多少棵 4、一个长方形操场周长是348米,宽是69米,它的面积是多少平方米 5、龟兔赛跑,全程200米,龟每分钟跑2.5米,兔每分钟跑32米,兔自以为是,在途中睡了一觉,当龟到达终点时,兔子离终点还有40米,兔子在途中睡了几分钟 6、同学们植树,一班比二班多植63棵,一班42人,平均每人植8棵,二班39人,平均每人植多少棵 (用方程解答) 7、买3张桌子和4把椅子一共用了308元,每把椅子32元,每张桌子多少元 (用方程解答) 8、一个长方形周长和一个正方形周长相等,已知长方形长24厘米,宽16厘米,求正方形面积 9、两辆汽车从相距400千米的两地同时相对开出,3小时后还相距10千米,已知一辆汽车每小时行驶55千米,求另一辆汽车速度 10、鸡兔同笼,共有35个头,94条腿,求鸡兔各有几只 本文来源:https://www.wddqw.com/doc/806d7c08db38376baf1ffc4ffe4733687e21fc83.html