0.67-0.22 0.69-0.53 0.85-0.26 0.32+0.65= 6.1-2.3 0.29+0.51= 1.3*0.2= 4.1*2 3.5*0.2 0.24*0.3 19*0.5 0.24*0.3 41*2 0.11*0.6 0.14+0.36 2.8+3.4 0.98-0.57 0.8-0.26 0.28-0.16 3.3-1.7 0.89-0.75 5.8-2.5 0.42-0.15 0.63+3.2 2.6+0.5 9.2-6.2 0.16*0.6 0.12*0.2 0.23*0.4 1.6*4 1.5*0.5 0.19*0.2 1.3*0.2 4.2*0.21 0.22*0.4 1.7*0.5 1.6*0.4 4.1*0.2 0.44*2 0.19*5 3.3*0.2 26*0.3 1.3*0.4 2.2*0.2 1.6*0.4 0.11*0.4 0.23*0.2 12*0.03 1*0.07 1.3*0.03 4.8*0.2 0.16*0.3 1.4*0.2 2.4*0.1 27*0.23 0.32*0.3 1.5*0.04 0.33*0.3 2.1*0.02 2.3*0.3 3.1*0.1 1.6*0.5
要是嫌少了干脆去买本口算练习册
5*2.5= 8*1.25= 1.26*5.28= 3.5*10.01=
20*5.8= 58*225.2= 15*5.5= 14*25.2= 1.1×1.1＝
1.2×1.2＝
1.3×1.3＝
1.4×1.4＝
1.5×1.5＝
1.11×1.11＝
1.6+2.4×0.3 = 2.14－0.9＝ 3.99×1＝ 0.43+3.57=
用简便方法计算下面各题
6.3+0.87+3.7+8.16=
18.75-0.43-4.57=
7.2+2.8=
0.36+0.64=
8-2.5=
1.83+2.7=
13.8+9.9=
3.8+4.29+2.1+4.2=
8.3-2.63=
32.8+5.6+7.2=
3.5+7.6=
12-6.2-3.8=
1.7+0.43+3.3=
5.4-2.5-1.4=
0.99＋1.8＝
2.56－0.37＝
3.9＋2.03＝
2.14－0.9＝
7.15×22 90.75÷3.3 3.68×0.25
16.9÷0.13 1.55÷3.9 3.7×0.016
13.76×0.8= 5.2×0.6 8.4×1.3
6.4×0.5 4.48×0.4 5.25×5
35.4×4.2 0.042×0.54 0.76×0.32
0.25×0.046 2.52×3.4 1.08×25
2.5×7.1×4 16.12×99＋16.12 5.2×0.9＋0.9
7.28×99+7.28 4.3×50×0.2 64－2.64×0.5
26×15.7＋15.7×24 (2.275 ＋0.625)×0.28
3.94+34.3×0.2 1.2×(9.6÷2.4)÷4.8
8.9×1.1×4.7 2.7×5.4×3.9 3.6×9.85-5.46
8.05×3.4+7.6 6.58×4.5×0.9 2.8×0.5+1.58
32＋4.9－0.9 4.8－4.8×0.5 (1.25－0.125)×8
4.8×100.1 56.5×99＋56.5 7.09×10.8－0.8×7.09
4.85 + 0.35 ÷ 1.4 8.7 × 17.4 - 8.7 × 7.4
12.5×0.4×2.5×8 0.87×3.16+4.64 9.5×101
0.68 ÷（5.2 -3.5）× 1.25
40.5 ÷ 0.81 × 0.18 4.8 ×（15 ÷ 2.4） 2．13.×0.×8257
6.81+6.81×99 0.25×185×40 4.4×0.8－3.4×0.8
(9.37+9．37+9．37+9．37)× 2．5 4．2.×1.＋1.×1.75
2.37×6.3+2.37×3.7 2.5×1.25×0.32 3.8×10.1
2.5×(3.8×0.04) 7.69×101 3.8×10.1
0.25×39+0.25 0.125×72 46×0.33+54×0.33
(8×5.27) ×1.25 6.81+6.81×99 0.25×185×40
6.8×0.75÷0.5 3.75÷0.125–2.75 1.53+23.4÷7.2
9.5×99 13.5×0.98 12.5×8.8
0.43×0.28= 6.45×0.73= 4.6×0.6=
8.9×0.05= 3.08×0.43= 1.5×26.7=
5.22÷29= 18.72÷3.6= 13.95÷3.1=
7.15×22 90.75÷3.3 3.68×0.25
3.94+34.3×0.2 2.08×(9.6÷2.4)÷4.8
6.81+6.81×99 0.25×185×40
5.6×2.9
3.77×1.8
0.02×96
5.22×0.3
9.99×0.02
4.67×0.9
5×2.44
1.666×6.1
9.432×0.002
5.6×6.5
4.88×2.9
5.61×4.3
8.9×2.4
5.5×55
9.77×0.02
1.384×5.1
8.78×83
2.6×61
0.059×0.2
4.268×1.7
57×5.7
9.46×2.85
17.8×6.4
1.5×4.9
2.5×0.88
5.555×5.2
2.22×3.33
7.658×85
36.02×0.3
56.78×8
除法：
85.44÷16
42.84÷7
101.7÷9
67.5÷15
230.4÷6
21.24÷36
0.736÷23
43.5÷12
35.21÷7
39.6÷24
6.21÷0.03
210÷1.4
51.3÷0.27
91.2÷3.8
0.756÷0.18
0.66÷0.3
11.97÷1.5
69.6÷2.9
38.4÷0.8
15÷0.06
（循环小数的用简便方法，除不尽保留2位小数）：
8.2÷0.12
0.8÷0.9
76.4÷5.4
4.7÷3
1.25÷1.2
32÷42
14.36÷2.7
8.33÷6.2
1.7÷0.03
2.41÷0.7
1． 米＝（ ）厘米 ＝（ ）分 千米
2.三角形按角可分为（ ）三角形、（ ）三角形和（ ）三角形。
3. 306900改成用“万”作单位的数是（ ）万，把387330000改成用“亿”作单位的数是（ ）亿。
4. 由9个十、38个百分之一组成的数是（ ），它是一个（ ......
5..已知两个三位数的最大公约数是29，最小公倍数是4959，则它们的差是_____
6.79 的分数单位是( )， 1里面有（ ）个这样的分数单位。
7.25 的分子增加8，要使分数的大小不变，分母应增加（ ）；89 至少加上......
8.1、100×100-99×99+98×98-97×97+……+2×2-1×1
9. 用两个3, 一个1, 一个2可组成种种不同的四位数,这些四位数共有_______个
10. 如果六位数1992□□能被105整除，那么它的最后两位数是________.
11.有一堆糖果，其中，奶糖占45%.再放入16块水果糖后，奶糖就只占25%.那么，这堆糖中有奶糖________块.
44.5+22.1
45.9-41.2
3.6-2.7
47.6+45.9
85.9+45.6
89.3-48.5
86.1+12.5
99.3-86.4
72.1+20.5
54.2*6
47.1*6
48.3*9
22.1*3
86.7*4
77.1*6
96.4*4
53.4*1
25.5*5
18.75-0.43-4.57=
7.2+2.8=
0.36+0.64=
8-2.5=
1.83+2.7=
13.8+9.9=
3.8+4.29+2.1+4.2=
8.3-2.63=
32.8+5.6+7.2=
3.5+7.6=
12-6.2-3.8=
1.7+0.43+3.3=
5.4-2.5-1.4=
0.99＋1.8＝
2.56－0.37＝
3.9＋2.03＝
2.14－0.9＝
7.15×22
3.68×0.25
3.7×0.016
13.76×0.8=
5.2×0.6
8.4×1.3
6.4×0.5
4.48×0.4
5.25×5
35.4×4.2
0.042×0.54
0.25×0.046
2.52×3.4
1.08×25
2.5×7.1×4
16.12×99＋16.12
5.2×0.9＋0.9
7.28×99+7.28
4.3×50×0.2
64－2.64×0.5
26×15.7＋15.7×24
(2.275 ＋0.625)×0.28
3.94+34.3×0.2
8.9×1.1×4.7
2.7×5.4×3.9
3.6×9.85-5.46
8.05×3.4+7.6
6.58×4.5×0.9
2.8×0.5+1.58
32＋4.9－0.9
4.8－4.8×0.5
1.25－0.125
4.8×100.1
56.5×99＋56.5
7.09×10.8－0.8
8.7 × 17.4 - 8.7 × 7.4
12.5×0.4×2.5×8
0.87×3.16+4.64
9.5×101
2．13.×0.×8257
6.81+6.81×99
0.25×185×40
4.4×0.8－3.4×0.8
(9.37+9．37+9．37+9．37)× 2．5
4．2.×1.＋1.×1.75
2.37×6.3+2.37×3.7
2.5×1.25×0.32
3.8×10.1
2.5×(3.8×0.04)
7.69×101
3.8×10.1
0.25×39+0.25
0.125×72
46×0.33+54×0.3
(8×5.27) ×1.25
6.81+6.81×99
0.25×185×40
9.5×99
13.5×0.98
12.5×8.8
0.43×0.28=
6.45×0.73=
4.6×0.6=
8.9×0.05=
3.08×0.43=
1.5×26.
3.68×0.25
6.81+6.81×99
0.25×185×40
5.6×2.9
3.77×1.8
0.02×96
5.22×0.3
9.99×0.02
4.67×0.9
5×2.44
1.666×6.1
9.432×0.002
5.6×6.5
4.88×2.9
5.61×4.3
8.9×2.4
5.5×55
9.77×0.02
1.384×5.1
8.78×83
2.6×61
0.059×0.2
4.268×1.7
57×5.7
9.46×2.85
17.8×6.4
1.5×4.9
2.5×0.88
5.555×5.2
2.22×3.33
7.658×85
36.02×0.3
56.78×8
57.6+98.7 98.5*8 54.4+545 32.5*9 54.5+62.7 45.8+65.3 56.2+32.5 45.2*9 98+32.5 98.5*9 46.5*8 32.5+98.5 98.7+65.4 32.5*6 96.5+12.4 87.4*3 32.7*9 41.7+65.2 32.5*8 65.8*7 21.4+65.3 34.5*8 65.4*7 54.8*5 34.5+84.2 58.7*1 32.8+96.5 12.4*2 35.7*3 37.1*2 64.5+95.1 34.5+45.5 32.7+94.2 64.2*8 35.4+95.4 57.8*6 21.5*8 45.8+96.4 84.4+45.5 32.5+89.4 95.2*7 21.5+62.4 够了吧！
5.15*24=123.6
3.25*98.64=320.58
5.36*0.5=2.68
6.9-3.1265=3.7735
3.77×1.8=6.786
0.02×96=1.92
5.22×0.3=1.56
9.99×0.02=0.1998
4.67×0.9=4.203
5×2.44=12.2
54.2*6=325.2
47.1*6=282.6
48.3*9=434.7
22.1*3=66.3
86.7*4=346.8
77.1*6=462.6
96.4*4=385.6
53.4*1=53.4
25.5*5=127.5
1.666×6.1=10.1626
9.432×0.002=0.018864
5.6×6.5=36.4
4.88×2.9=14.152
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