第1个回答 2008-05-03
184+98 695+202 864-199 738-301
(加减法接近整百数的简算)
380+476+120 (569+468)+(432+131)
(加法交换律和结合律的运用)
256-147-53 373-129+29 189-(89+74) 456-(256-36)
(减法的简算,重点:运算符号变化的处理)
28×4×25 125×32×25 9×72×125
(乘法交换律和结合律的运用,重点:一个因数分成两个因数的处理)
720÷16÷5 630÷42
(除法的简算)
102×35 98×42
(乘法接近整百数的简算)
26×39+61×26 356×9-56×9
99×55+55 78×101-78
52×76+47×76+76 134×56-134+45×134
(乘法分配律的运用)
48×52×2-4×48
25×23×(40+4)
999×999+1999
(乘法分配律的综合运用)
158+262+138 375+219+381+225 5001-247-1021-232
(181+2564)+2719 378+44+114+242+222 276+228+353+219
(375+1034)+(966+125) (2130+783+270)+1017 99+999+9999+99999
7755-(2187+755) 2214+638+286 3065-738-1065 899+344
2357-183-317-357 2365-1086-214 497-299 2370+1995
3999+498 1883-398 12×25 75×24
138×25×4 (13×125)×(3×8) (12+24+80)×50 704×25
25×32×125 32×(25+125) 88×125 102×76 58×98
178×101-178 84×36+64×84 75×99+2×75 83×102-83×2
98×199 123×18-123×3+85×123 50×(34×4)×3 25×(24+16)
178×99+178 79×42+79+79×57 7300÷25÷4 8100÷4÷75
16800÷120 30100÷2100 32000÷400 49700÷700
1248÷24 3150÷15 4800÷25 21500÷125
(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
0.1*0.02=
4.2/0.1=
99*0.35=
1.2/0.3=
1.25*0.8*0.5=
0.9/0.01=
1.5*0.4=
16/1.6=
3.5+3.5*3=
64.32/16=
0.05*0.8=
1.23/3=
0.62*1.02=
8.8/2.2=
2.4*2.5
4.2/3.5=
7.2*0.3+2.8*0.3=
2.87/0.7=
[1.5+0.25]*4=
6.4*0.2+0.36*0.2=
计算题:
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
口算题:
1.5×4=
2.5×8=
0.12×3=
2.4×0.2=
7.2×0.01=
5.1×0.3=
7×0.05=
0.25×0.4=
0.8×1.25=
1.4×0.5=
0.056×1.5=
0.36×0.1=
6.2×0.3=
3×0.2×0.5=
2.8×0.7×0.5=
【2.5+0.9】×0.4=
0.25×16=
7×1.6+7×0.4=
8×【2.5+0.25】=
8.4×0.2+1.6×0.2=
2.6/0.2=
6.4/0.8=
1/0.125=
0.32/0.04=
7.2/0.9
8.1/0.03=
0.24/0.6=
0.125/0.25=
0.49/7=
70/0.5=
13/4=
0.56/0.28=
1.5/30=
0.45/0.45=
3.2/0.16=
4.2/0.01=
0.27/3=
42/.6=
14.4/8=
0.35/0.7=
/代表÷、*代表×
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
第2个回答 2022-01-23
只有100多道
5.6x2.9
4.67x0.95
5.61x4.3
8.78x83
3.77x1.8
1.666x6.1
8.9x2.4
2.6x61
0.02x96
9.432x0.002
5.5x55
0.059x0.2
5.22x0.3
5.6x6.5
9.77x0.02
4.268x1.7
9.99x0.02
4.88x2.9
1.384x5.1
57x5.7
205x0.18
305x0.14
2.03x0.13
10.2x2.3
3.07x0.25
103x0.23
0.408x0.24
1.05x3.5
1.07x1.8
2.01x1.7
2.03x0.14
20.4x2.6
205x0.13
0.102x0.11
0.34x0.126
0.32x0.14
2.4x0.96
0.5x0.15
0.18x4.3
0.36x2.3
65x0.7
0.0016x13
0.65x0.17
0.62x5.2
5.8x0.32
0.65x7.3
72x0.03
8.7x0.92
7.65x8.5
7.4x0.98
3.7x0.016
5.76x1.3
3.83x2.6
0.12x1.4
1.28x0.04
56.2x4.08
2.02x3.6
125x2.04
23.5x1.02
2.5x20.1
8.81x1.01
19.1x0.3072.01x1.03
518x3.07
0.131x202
4. 15x1.03
2.42x1.05
1.25x8.08
1.02x2.15
1.02x20.6
18.6x1.5
2.06x0.25
2.8x0.165
2.36x0.35
1.25x8.8
0.24x2.5
0.025x14
1.05x35
1.6x0.85
0.35x8.04
3x=x+1003.4x- -48=26.8
10.5x+6.5x=51
x+4.8=7.2
42x+ 25x=134
89x- -43x=9.26x+18=48
1.5(x+1.6)=3.6
5x- -45=100
3(x+2.1)=10.5
2(x- -3)=5.8
1.2x-0.5x=6.
12x- -9x=8.7
65x+7=42
23.4=2x=56
13(x+5)=169 9x+4x2.5= 91
4x- x=48.6
2x- -97=34.2
4.2 x+2.5x= 134
X-5.7=2.15
16.9-X=0.3
2x+8=16
5X-2X=18
23x=14x + 14
23x-14x=14
3X+0.7=5
x+ 14x=65
X+7x=8
3.5x2= 4.2+x
3- 5x=80
9x- -3x=6
26x1.5= 2x+10
1.8 +6x= 54
6x- -8=4
0.5x16- -16x0.2= 4x 6.7x- 60.3= 6.7
5x+x=9
139.25- X=0.403
9+4x=40
2x- 6=12
3x-7=26
5x- -3x=4
7x+7=14
9x-x=16
2x+16=19
5x+8=19
6x-6=0
24x+x=50
14- -6x=8
5x+6=11
1.2x- -8=4
15+6x=27
2x- 8=10
3x-8= 30
5- -8x=4
2.5x- -8=4
6x+6=12
7x+8=15
3x+7=28