1樓:匿名使用者
1)2.9 × 0.5 =1.
45 (2)5.9 × 0.2 = 1.
18 (3)3.6 × 7 =25.2 (4)4.
3 × 0.3 =1.29
(5)5.9 × 9 =53.1 (6)9.
4 × 9 =84.6 (7)7.5 × 6 =45 (8)1.
3 × 3 =3.9
(9)3.8 × 7 =26.6 (10)4.
7 × 5 =23.5 (11)5.2 × 7 =36.
4 (12)2.3 × 2 =4.6
(13)6.8 × 7 =::47.
6 (14)6.7 × 0.3 =::
2.01 (15)7.5 × 7 =::
52.5 (16)7.1 × 0.
7 =::4.97 (17)6.
6 × 2 =::13.2 (18)3.
5 × 0.2 =::0.
7 (19)3.7 × 0.3 =::
1.11 (20)4 × 0.3 =::
1.2 (21)9.2 × 9 =::
82.8 (22)6.1 × 9 =::
54.9 (23)6.8 × 5 =::
34 (24)4.8 × 4 =::19.
2 (25)4.1 × 2 =::8.
2 (26)6.4 × 0.4 =::
2.56 (27)9.6 × 7 =::
67.2 (28)1.9 × 0.
8 =::1.52 (29)4.
2 × 0.3 =::1.
26 (30)1.9 × 0.8 =::
1.52 (31)8.7 × 0.
4 =::3.48 (32)2.
6 × 7 =::18.2 (33)2.
1 × 3 =::6.3 (34)1.
6 × 2 =::3.2 (35)5.
3 × 3 =::15.9 (36)8.
5 × 9 =::76.5 (37)6.
9 × 0.7 =::4.
83 (38)6.6 × 0.4 =::
2.64 (39)4.3 × 8 =::
34.4 (40)8.2 × 3 =::
24.6 (41)8.4 × 6 =::
50.4 (42)2 × 6 =::12 (43)8.
7 × 0.3 =::2.
61 (44)3.2 × 0.5 =::
1.6 (45)8.5 × 0.
9 =::7.65 (46)7.
1 × 0.7 =::4.
97 (47)7.1 × 6 =::42.
6 (48)7.4 × 0.5 =::
3.7 (49)9.6 × 3 =::
28.8 (50)8.4 × 8 =::
67.2 (51)2.5 × 4 =::
10 (52)1.3 × 3 =::3.
9 (53)8 × 0.4 =::3.
2 (54)7.8 × 9 =::70.
2 (55)6 × 0.5 =::3 (56)7.
7 × 8 =::61.6 (57)9.
9 × 0.7 =::6.
93 (58)5.4 × 2 =::10.
8 (59)5.1 × 2 =::10.
2 (60)4.7 × 3 =::14.
1 (61)1.2 × 0.2 =::
0.24 (62)5.3 × 0.
2 =::1.06 (63)2.
7 × 8 =::21.6 (64)2 × 9 =::
18 (65)9.6 × 9 =::86.
4 (66)5.4 × 3 =::16.
2 (67)9.3 × 3 =::27.
9 (68)5.5 × 0.8 =::
4.4 (69)7.4 × 0.
7 =::5.18 (70)3.
4 × 0.6 =::2.
04 (71)4.5 × 0.4 =::
1.8 (72)3.8 × 7 =::
26.6 (73)4.7 × 0.
2 =::0.94 (74)1.
5 × 6 =::9 (75)8 × 0.9 =::
7.2 (76)9.2 × 0.
6 =::5.52 (77)2.
4 × 9 =::21.6 (78)1.
8 × 5 =::9 (79)8.9 × 0.
6 =::5.34 (80)3.
2 × 0.8 =::2.
56 (81)9.7 × 9 =::87.
3 (82)6 × 7 =::42 (83)1.6 × 0.
7 =::1.12 (84)6.
3 × 2 =::12.6 (85)7.
1 × 0.8 =::5.
68 (86)5.2 × 7 =::36.
4 (87)3.9 × 0.8 =::
3.12 (88)9.9 × 0.
2 =::1.98 (89)2.
4 × 0.4 =::0.
96 (90)3.5 × 5 =::17.
5 (91)7.7 × 3 =::23.
1 (92)9.5 × 0.2 =::
1.9 (93)7.8 × 0.
3 =::2.34 (94)3.
4 × 8 =::27.2 (95)1.
3 × 0.6 =::0.
78 (96)9 × 0.5 =::4.
5 (97)3.5 × 0.5 =::
1.75 (98)3.4 × 9 =::
30.6 (99)3.4 × 0.
9 =::3.06 (100)6.
5 × 0.5 =::3.
25 1)7.4 × 6 =::44.
4 (2)2.3 × 5 =::11.
5 (3)5.1 × 0.4 =::
2.04 (4)9.6 × 4 =::
38.4 (5)5.4 × 5 =::
27 (6)1.5 × 0.8 =::
1.2 (7)9.4 × 2 =::
18.8 (8)1.6 × 0.
8 =::1.28 (9)7.
5 × 0.7 =::5.
25 (10)3.7 × 9 =::33.
3 (11)1.8 × 0.6 =::
1.08 (12)3.5 × 7 =::
24.5 (13)9.3 × 4 =::
37.2 (14)2.7 × 0.
7 =::1.89 (15)5.
2 × 7 =::36.4 (16)3.
8 × 0.2 =::0.
76 (17)1.2 × 0.9 =::
1.08 (18)6.1 × 7 =::
42.7 (19)3.8 × 0.
7 =::2.66 (20)1.
6 × 5 =::8 (21)5.9 × 0.
3 =::1.77 (22)9 × 9 =::
81 (23)7.1 × 0.3 =::
2.13 (24)9.7 × 2 =::
19.4 (25)5.8 × 0.
8 =::4.64 (26)1.
7 × 6 =::10.2 (27)9.
6 × 0.5 =::4.
8 (28)1.8 × 4 =::7.
2 (29)4.3 × 0.6 =::
2.58 (30)1.3 × 9 =::
11.7 (31)2.9 × 8 =::
23.2 (32)5.6 × 7 =::
39.2 (33)5.3 × 0.
6 =::3.18 (34)5.
4 × 0.7 =::3.
78 (35)5.3 × 0.2 =::
1.06 (36)8.3 × 2 =::
16.6 (37)9.5 × 3 =::
28.5 (38)7.3 × 2 =::
14.6 (39)2 × 0.5 =::
1 (40)5.2 × 0.6 =::
3.12 (41)9.7 × 7 =::
67.9 (42)6.1 × 8 =::
48.8 (43)6.7 × 0.
2 =::1.34 (44)8.
6 × 6 =::51.6 (45)3.
1 × 0.5 =::1.
55 (46)8.2 × 6 =::49.
2 (47)1.5 × 6 =::9 (48)8.
4 × 2 =::16.8 (49)1.
3 × 6 =::7.8 (50)8.
9 × 0.5 =::4.
45 (51)6.7 × 2 =::13.
4 (52)5.4 × 6 =::32.
4 (53)6.3 × 9 =::56.
7 (54)6.4 × 3 =::19.
2 (55)8.5 × 0.2 =::
1.7 (56)1.5 × 0.
5 =::0.75 (57)3 × 0.
4 =::1.2 (58)6.
8 × 5 =::34 (59)8.7 × 0.
3 =::2.61 (60)5.
6 × 6 =::33.6 (61)5.
5 × 0.7 =::3.
85 (62)9.6 × 0.3 =::
2.88 (63)9.6 × 7 =::
67.2 (64)8.3 × 3 =::
24.9 (65)9.5 × 0.
5 =::4.75 (66)5.
5 × 9 =::49.5 (67)1.
9 × 9 =::17.1 (68)2.
2 × 7 =::15.4 (69)3.
8 × 0.9 =::3.
42 (70)1.8 × 0.7 =::
1.26 (71)4.6 × 0.
2 =::0.92 (72)1.
3 × 0.2 =::0.
26 (73)4.3 × 0.9 =::
3.87 (74)1.4 × 2 =::
2.8 (75)7 × 5 =::35 (76)2.
5 ×7 =::17.5 (77)6.
4 × 0.4 =::2.
56 (78)6.3 × 5 =::31.
5 (79)3.1 × 4 =::12.
4 (80)5.8 × 0.7 =::
4.06 (81)1.2 × 8 =::
9.6 (82)6.5 × 0.
5 =::3.25 (83)3.
9 × 0.9 =::3.
51 (84)9.3 × 3 =::27.
9 (85)2 × 2 =::4 (86)3.7 × 5 =::
18.5 (87)1.1 × 3 =::
3.3 (88)6.5 × 5 =::
32.5 (89)2.7 × 0.
8 =::2.16 (90)8.
4 × 8 =::67.2 (91)4.
2 × 0.8 =::3.
36 (92)6.9 × 2 =::13.
8 (93)6.6 × 2 =::13.
2 (94)9.5 × 0.8 =::
7.6 (95)6.6 × 0.
7 =::4.62 (96)1.
7 × 0.5 =::0.
85 (97)6.9 × 9 =::62.
1 (98)8.4 × 6 =::50.
4 (99)9.4 × 0.5 =::
4.7 (100)8.4 × 0.
5 =::4.2 (1)5.
6 × 8 =::44.8 (2)3.
9 × 5 =::19.5 (3)5.
4 × 0.4 =::2.
16 (4)7.3 × 0.2 =::
1.46 (5)9.4 × 8 =::
75.2 (6)3.8 × 0.
3 =::1.14 (7)8.
6 × 0.4 =::3.
44 (8)7.3 × 4 =::29.
2 (9)4.8 × 0.4 =::
1.92 (10)1.3 × 4 =::
5.2 (11)7.3 × 8 =::
58.4 (12)8 × 4 =::32 (13)3.
2 × 6 =::19.2 (14)4.
7 × 0.3 =::1.
41 (15)4.6 × 0.9 =::
4.14 (16)9.9 × 4 =::
39.6 (17)8.2 × 0.
5 =::4.1 (18)8.
2 × 0.5 =::4.
1 (19)5 × 0.8 =::4 (20)5.
7 × 9 =::51.3 (21)3.
9 × 5 =::19.5 (22)7.
3 × 2 =::14.6 (23)5.
3 × 3 =::15.9 (24)6.
7 × 0.2 =::1.
34 (25)4.3 × 0.5 =::
2.15 (26)4.7 × 0.
4 =::1.88 (27)2.
4 × 5 =::12 (28)7.3 × 0.
3 =::2.19 (29)3.
8 × 0.9 =::3.
42 (30)7.3 × 4 =::29.
2 (31)5.1 × 0.7 =::
3.57 (32)9.8 × 2 =::
19.6 (33)8.3 × 0.
7 =::5.81 (34)4.
3 × 0.6 =::2.
58 (35)9.5 × 0.3 =::
2.85 (36)9.9 × 5 =::
49.5 (37)3.4 × 2 =::
6.8 (38)2.9 × 4 =::
11.6 (39)1.1 × 6 =::
6.6 (40)2.1 × 5 =::
10.5 (41)9.1 × 0.
8 =::7.28 (42)9.
7 × 0.3 =::2.
91 (43)9.6 × 0.5 =::
4.8 (44)5.1 × 0.
6 =::3.06 (45)5.
5 × 8 =::44 (46)9 × 8 =::72 (47)5 × 4 =::
20 (48)4.1 × 5 =::20.
5 (49)1.4 × 0.3 =::
0.42 (50)2.4 × 9 =::
21.6 (51)5.1 × 7 =::
35.7 (52)7.9 × 5 =::
39.5 (53)4.1 × 9 =::
36.9 (54)1.6 × 2 =::
3.2 (55)6.7 × 0.
8 =::5.36 (56)8.
9 × 0.7 =::6.
23 (57)6.2 × 0.2 =::
1.24 (58)2.6 × 7 =::
18.2 (59)6.8 × 0.
6 =::4.08 (60)5.
6 × 9 =::50.4 (61)9.
8 × 0.8 =::7.
84 (62)9 × 9 =::81 (63)3.8 × 7 =::
26.6 (64)2.5 × 6 =::
15 (65)1.7 × 5 =::8.
5 (66)4.6 × 0.7 =::
3.22 (67)8.9 × 3 =::
26.7 (68)7.9 × 0.
6 =::4.74 (69)6.
3 × 4 =::25.2 (70)2.
9 × 0.3 =::0.
87 (71)4.6 × 8 =::36.
8 (72)1.5 × 2 =::3 (73)6.
9 × 0.7 =::4.
83 (74)5.8 × 6 =::34.
8 (75)3.4 × 0.5 =::
1.7 (76)1.9 × 2 =::
3.8 (77)8.3 × 0.
4 =::3.32 (78)7.
4 × 6 =::44.4 (79)4.
5 × 3 =::13.5 (80)5.
9 × 4 =::23.6 (81)8.
9 × 0.2 =::1.
78 (82)4.9 × 8 =::39.
2 (83)7.5 × 2 =::15 (84)1.
5 × 7 =::10.5 (85)8.
3 × 0.4 =::3.
32 (86)6.1 × 0.6 =::
3.66 (87)3.7 × 0.
5 =::1.85 (88)7.
4 × 0.5 =::3.
7 (89)1.3 × 0.7 =::
0.91 (90)3.5 × 0.
7 =::2.45 (91)9.
9 × 0.2 =::1.
98 (92)2 × 7 =::14 (93)4.4 × 0.
8 =::3.52 (94)8.
5 × 4 =::34 (95)9.8 × 8 =::
78.4 (96)9 × 9 =::81 (97)2.
7 × 8 =::21.6 (98)1.
6 × 0.3 =::0.
48 (99)5.7 × 3 =::17.
1 (100)7.5 × 5 =::37.
5 1)4.1 × 0.7 =::
2.87 (2)3.9 × 5 =::
19.5 (3)8.5 × 2 =::
17 (4)7.7 × 6 =::46.
2 (5)4 × 9 =::36 (6)1.7 × 2 =::
3.4 (7)7.9 × 6 =::
47.4 (8)4.2 × 0.
9 =::3.78 (9)2.
6 × 6 =::15.6 (10)9.
9 × 8 =::79.2 (11)1.
7 × 5 =::8.5 (12)2.
4 × 4 =::9.6 (13)6 × 0.
4 =::2.4 (14)3.
9 × 6 =::23.4 (15)7 × 0.
4 =::2.8 (16)7.
6 × 0.4 =::3.
04 (17)3.9 × 0.7 =::
2.73 (18)2.8 × 0.
3 =::0.84 (19)3 × 9 =::
27 (20)8.1 × 0.3 =::
2.43 (21)3.3 × 8 =::
26.4 (22)8.1 × 0.
7 =::5.67 (23)2.
2 × 3 =::6.6 (24)3 × 6 =::
18 (25)3.2 × 5 =::16 (26)4.
3 × 7 =::30.1 (27)6.
7 × 5 =::33.5 (28)2.
7 × 0.7 =::1.
89 (29)1.4 × 0.9 =::
1.26 (30)1.6 × 9 =::
14.4 (31)8 × 0.8 =::
6.4 (32)5.9 × 2 =::
11.8 (33)3.6 ×9 =::
32.4 (34)1.4 × 0.
6 =::0.84 (35)8.
3 × 0.2 =::1.
66 (36)7 × 9 =::63 (37)8.7 × 8 =::
69.6 (38)2.9 × 3 =::
8.7 (39)6.7 × 0.
2 =::1.34 (40)1.
6 × 0.8 =::1.
28 (41)9.6 × 2 =::19.
2 (42)5.4 × 5 =::27 (43)5.
8 × 0.7 =::4.
06 (44)3.7 × 0.2 =::
0.74 (45)8.7 × 0.
6 =::5.22 (46)2.
1 × 0.4 =::0.
84 (47)1.6 × 5 =::8 (48)4.
6 × 3 =::13.8 (49)9.
5 × 0.6 =::5.
7 (50)5.6 × 9 =::50.
4 (51)5.9 × 0.3 =::
1.77 (52)9 ×
2 =::18 (53)9 × 4 =::36 (54)4.
5 × 3 =::13.5 (55)4.
4 × 6 =::26.4 (56)5.
5 × 4 =::22 (57)8.6 × 6 =::
51.6 (58)6.6 × 0.
2 =::1.32 (59)8.
7 × 0.6 =::5.
22 (60)2.4 × 0.6 =::
1.44 (61)2.1 × 0.
2 =::0.42 (62)4.
4 × 0.8 =::3.
52 (63)7.1 × 9 =::63.
9 (64)3.8 × 3 =::11.
4 (65)8.9 × 7 =::62.
3 (66)7.1 × 0.2 =::
1.42 (67)3.9 × 0.
5 =::1.95 (68)1.
6 × 0.7 =::1.
12 (69)3.9 × 0.9 =::
3.51 (70)7.7 × 2 =::
15.4 (71)7 × 0.7 =::
4.9 (72)8.3 × 4 =::
33.2 (73)5.1 × 0.
2 =::1.02 (74)9.
2 × 0.8 =::7.
36 (75)1.3 × 6 =::7.
8 (76)6.8 × 7 =::47.
6 (77)2.2 × 3 =::6.
6 (78)3.2 × 8 =::25.
6 (79)6.8 × 0.2 =::
1.36 (80)4.7 × 0.
2 =::0.94 (81)6.
7 × 9 =::60.3 (82)9.
9 × 7 =::69.3 (83)3.
3 × 0.2 =::0.
66 (84)2.3 × 3 =::6.
9 (85)8.3 × 0.5 =::
4.15 (86)8.5 × 0.
2 =::1.7 (87)1.
7 × 0.7 =::1.
19 (88)9 × 0.6 =::5.
4 (89)9.9 × 5 =::49.
5 (90)7.4 × 0.3 =::
2.22 (91)7.7 × 2 =::
15.4 (92)9.9 × 0.
4 =::3.96 (93)5 × 0.
2 =::1 (94)8.5 × 5 =::
42.5 (95)9.1 × 9 =::
81.9 (96)5.6 × 0.
5 =::2.8 (97)5 × 8 =::
40 (98)3.1 × 0.4 =::
1.24 (99)6.8 × 8 =::
54.4 (100)1.9 × 0.
2 =::0.38 25 +15 = 47 -27 = 58 +18 = 19 +29 = 16 +16 = 23 -13 = 910 +110 = 712 -512 = 255 -105 = 10-2.
5 = 13 +23 = 47 -27 = 16 +56 = 910 -310 = 29 +49 = 18 +18 +38 = 1- 29 -49 = 1211 -111 = 47 +47 = 1-89 = 12 +15 +12 = 76÷19= 1-0.001= 156÷26= 3.6×0.
2= 360÷45= 80÷16= 1.3-0.7= 0.
49+0.16= 2.6×0.
4= 55÷0.001=
55×0.001= 2400÷30= 25 -15 = 34 +14 = 29 +59 = 12 +12 = 58 -38 = 56 -16 = 13-0.56 = 14 -1.
5 = 910 -410 = 0.79+0.79×99= 1÷5+1÷5= 0.
89×101-0.89= 1.1-2.
7÷27= 573-(273+169)= 12.4×11-12.4= 5÷0.
25= 0.84÷0.4= 0.
25×16= 2.5×40= 700-699.9= 620÷200= 78÷16= 9001-8006= 144÷12=
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