急求20道小学简便运算题!

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急求20道小学简便运算题!

急求20道小学简便运算题!
急求20道小学简便运算题!

急求20道小学简便运算题!
6.9+4.8+3.1
0.456+6.22+3.78
15.89+(6.75-5.89)
4.02+5.4+0.98
5.17-1.8-3.2
13.75-(3.75+6.48)
3.68+7.56-2.68
7.85+2.34-0.85+4.66
35.6-1.8-15.6-7.2
3.82+2.9+0.18+9.1
9.6+4.8-3.6
7.14-0.53-2.47
5.27+2.86-0.66+1.63
13.35-4.68+2.65
73.8-1.64-13.8-5.36
47.8-7.45+8.8
0.398+0.36+3.64
15.75+3.59-0.59+14.25
66.86-8.66-1.34
0.25×16.2×4

33333*33333=33333*30000+33333*3000+33333*300+33333*30+33333*3=999990000+99999000+9999900+999990+99999=1000000000-10000+100000000-1000+10000000-100+1000000-10+100000-1=1111100000-11111=1111088889
33333×33333
=11111×11111×9
=123454321×9
=1111088889

0.125+0.75+0.8
0.125*1.3*8
0.25*810.4*4
10.369+1073-0.369
0.0147+10+0.9853
0.173-0.1+0.27
-0.3+100+0.3
0.999+10321456+0.001
.................

25×4÷5+284-142=
69÷3+389÷2-129=
58×13÷2+756-23=
23+77-50÷2×67=
简算:
64×125=
125×8×4=
25×40×23=
100×25+125×32=

6.9+4.8+3.1
0.456+6.22+3.78
15.89+(6.75-5.89)
4.02+5.4+0.98
5.17-1.8-3.2
13.75-(3.75+6.48)
3.68+7.56-2.68
7.85+2.34-0.85+4....

全部展开

6.9+4.8+3.1
0.456+6.22+3.78
15.89+(6.75-5.89)
4.02+5.4+0.98
5.17-1.8-3.2
13.75-(3.75+6.48)
3.68+7.56-2.68
7.85+2.34-0.85+4.66
35.6-1.8-15.6-7.2
3.82+2.9+0.18+9.1
9.6+4.8-3.6
7.14-0.53-2.47
5.27+2.86-0.66+1.63
13.35-4.68+2.65
73.8-1.64-13.8-5.36
47.8-7.45+8.8
0.398+0.36+3.64
15.75+3.59-0.59+14.25
66.86-8.66-1.34
0.25×16.2×4

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