4.6×97+2×4.6+4.6這道題可以根據(jù)
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A.加法結(jié)合律進(jìn)行簡算    
B.乘法結(jié)合律進(jìn)行簡算    
C.乘法分配律進(jìn)行簡算
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科目:小學(xué)數(shù)學(xué) 來源: 題型:

0.7+0.9=
1.6
1.6
0.125×80=
10
10
8.24+3.76=
12
12
62.5×80=
5000
5000
4.1-3.8=
0.3
0.3
0.32÷16=
0.02
0.02
14+0.78=
14.78
14.78
6.4÷16=
0.4
0.4
14.6-0.34=
14.26
14.26
5÷10=
0.5
0.5
1.3+8.56=
9.86
9.86
0.7-0.55=
0.15
0.15
2.4×5=
10
10
1-0.03=
0.97
0.97
8.1÷3=
2.7
2.7
3.6÷12=
0.3
0.3
250×0.04=
10
10
30.5+3.05=
33.55
33.55
3.75×400=
1500
1500
0.78+2.2=
2.98
2.98
1.5×8=
12
12
6×1.5=
9
9
25×0.04=
1
1
9.6÷16=
0.6
0.6
5-0.08=
4.92
4.92
3.25+0.75=
4
4
10-0.1=
9.9
9.9
0.17×4=
0.68
0.68
7.4÷2=
3.7
3.7
0.16÷8=
0.02
0.02

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科目:小學(xué)數(shù)學(xué) 來源: 題型:

180÷60= 12×25= 0÷90=
4×5÷4×5= 0.25×4+4= 131+218+269+182=
25×6×4= 420÷35= 36×5×4=
120÷5÷3= 198-75-25= 120-20÷5=
59億-58億= (1.3+3.5)÷0.6= 75÷2.5=
0.45÷1.25÷8= 2.5×7.6×4= 97.6÷0.02=
8.8-(0.25+0.4)= 0.25+87+0.75= 0.8-0.35×2=
0.1÷0.01×0.1= 9.9+9.9×99= 2.7×3.6+6.4×2.7=
720÷8÷9= 2.9+5.7+2.1= 2-0.16-0.64=
16.7+84.5-16.7= 6.8-(3.8+2.9)= 9×1.3+9×6.7=
5.5-5.25+5.2= 0.8×25-10= 42.8×25×4=
7.2+2.8= 0.9÷0.01= 3.5+7.6=
3×0.2×0.5= 0.96÷0.3= 1.5×0.4=
7÷0.25= 2.5×0.7×0.8= 8-2.5=
16÷1.6= 5.6×1.01= 8×(2.5+0.25)=
0.36+0.64= 64.32÷16= 72.8÷0.8=
8.4×0.2+1.6×0.2= 8.4÷4.2= 0.05×0.8=
2.56-0.37= 1.23×3= 25×0.8×0.5=
12×2.5= 3.2÷1.6= 3.5+3.5×3=
19.6÷2= 8.8÷2.2= 3.9+2.03=
7.2×0.3+2.8×0.3= 13.8+9.9= 2.4×2.5=
0.75×4= (1.5+0.25)×4= 4.2÷0.1=
4.2÷3.5= 2.14-0.9= 27+456+73=
12÷0.3= 2.87÷0.7= 13÷4=
24÷4+56÷4= 2.1×0.3÷2.1= 2.3-0÷8.1=
1.37-1.37÷1.37= 4.4÷(5×0.2)= 7×1.3=
0.96÷0.06= 0.36×0.3= 0.35÷0.7=
13.65÷13= 4×0.8×0.25×1.25= 13+0.7÷0.7=
7.05×23.7+7.05×76.3= 0.125×3.2×2.5= (12+23.1÷0.75)×0.4-5.12=
728+199= 637-201= 16×25=
1.6×[(12-7.2)÷(0.84÷2.1)]=

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科目:小學(xué)數(shù)學(xué) 來源: 題型:

仔細(xì)觀察,選擇合適的方法計(jì)算.
(1)63+24+37 (2)65+42+44 (3)18+36+72 (4)78+15+85 (5)28+34+66
(6)35+44+56 (7)232-48-52 (8)318-63-37 (9)427-39-27 (10)385-(78+85)
(11)63-9-9-9 (12)500-97-98-99 (13)700-101-102 (14)351-(151+56) (15)49+49+49+49
(16)72+54+28+45 (17)1+2+3+4+5+6+7 (18)6+17+18+19 (19)0+2+4+6+8+10+12 (20)3+6+9+12+15+18+21.

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科目:小學(xué)數(shù)學(xué) 來源: 題型:解答題

180÷60=12×25=0÷90=
4×5÷4×5=0.25×4+4=131+218+269+182=
25×6×4=420÷35=36×5×4=
120÷5÷3=198-75-25=120-20÷5=
59億-58億=(1.3+3.5)÷0.6=75÷2.5=
0.45÷1.25÷8=2.5×7.6×4=97.6÷0.02=
8.8-(0.25+0.4)=0.25+87+0.75=0.8-0.35×2=
0.1÷0.01×0.1=9.9+9.9×99=2.7×3.6+6.4×2.7=
720÷8÷9=2.9+5.7+2.1=2-0.16-0.64=
16.7+84.5-16.7=6.8-(3.8+2.9)=9×1.3+9×6.7=
5.5-5.25+5.2=0.8×25-10=42.8×25×4=
7.2+2.8=0.9÷0.01=3.5+7.6=
3×0.2×0.5=0.96÷0.3=1.5×0.4=
7÷0.25=2.5×0.7×0.8=8-2.5=
16÷1.6=5.6×1.01=8×(2.5+0.25)=
0.36+0.64=64.32÷16=72.8÷0.8=
8.4×0.2+1.6×0.2=8.4÷4.2=0.05×0.8=
2.56-0.37=1.23×3=25×0.8×0.5=
12×2.5=3.2÷1.6=3.5+3.5×3=
19.6÷2=8.8÷2.2=3.9+2.03=
7.2×0.3+2.8×0.3=13.8+9.9=2.4×2.5=
0.75×4=(1.5+0.25)×4=4.2÷0.1=
4.2÷3.5=2.14-0.9=27+456+73=
12÷0.3=2.87÷0.7=13÷4=
24÷4+56÷4=2.1×0.3÷2.1=2.3-0÷8.1=
1.37-1.37÷1.37=4.4÷(5×0.2)=7×1.3=
0.96÷0.06=0.36×0.3=0.35÷0.7=
13.65÷13=4×0.8×0.25×1.25=13+0.7÷0.7=
7.05×23.7+7.05×76.3=0.125×3.2×2.5=(12+23.1÷0.75)×0.4-5.12=
728+199=637-201=16×25=
1.6×[(12-7.2)÷(0.84÷2.1)]=

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