答好有奖：1、50道加5财富2、100道加15财富3、150道加25财富4、200道加50财富5、250道以上加100财

乘法的
2.5x3
3.1x5
2.1x9
8.9x20
6.8x3
5.5x5
2.5x4
0.125x4
3.3x4
5.7x4
6.5x7
2.2x4
3.5x5
4.6x6
255x0.125
3.6x7
3.5x7
3.2x2
3.4x2
9.8x2
0.125x3
2.24x6
2.7x5
2.8x9
9.9x0.001
55x0.6
35x0.8
44x0.9
66x0.1
77x0.2
3.4x30
7.5x80
0.99x0.1
3.3x40
78x0.25
99x0.1
8.8x0.5
1.5x6
8.9x8
0.12x6
2.8x9
3.6x9
4.5x6
6.7x0.2
0.8x97
25x0.25
88x0.7
0.66x8
除法的
6.6÷2
3.3÷1.1
4.8÷3
225÷0.5
0.48÷2
9.99÷3
25÷0.25
35÷0.5
66÷2.2
2.2÷1.1
8.8÷4.4
9.5÷0.25
3.8÷2
9.999÷3.333
4.8÷1.2
0.8÷0.12
5.5÷1.1
8.88÷4.44
2.86÷0.2
4.8÷0.008
3.6÷2
9.9÷3.3
2.11÷0.211
9.9÷0.0003
2.2÷0.1
8.6÷0.43
22÷5.5
7.8÷6
7.7÷7
9.8÷4
2.5÷0.25
4.6÷2.3
9.88÷2
4.9÷0.0001
0.72÷8
0.88÷0.44
36÷0.009
99÷0.9
2.23÷0.223
0.008÷0.4
56÷0.7
81÷0.9
36÷0.04
777÷1.11
1200÷0.0006
78÷0.4
9999÷111.1
555÷0.5
22.2÷1.11
88÷0.2256÷0.7
81÷0.9
36÷0.04
777÷1.11
1200÷0.0006
78÷0.4
9999÷111.1
555÷0.5
22.2÷1.11
88÷0.22
6.6÷2
3.3÷1.1
4.8÷3
225÷0.5
0.48÷2
9.99÷3
25÷0.25
35÷0.5
66÷2.2
2.2÷1.1
8.8÷4.4
9.5÷0.25
3.8÷2
9.999÷3.333
4.8÷1.2
0.8÷0.12
5.5÷1.1
8.88÷4.44
2.86÷0.2
4.8÷0.008
3.6÷2
9.9÷3.3
2.11÷0.211
9.9÷0.0003
2.2÷0.1
8.6÷0.43
22÷5.5
7.8÷6
7.7÷7
9.8÷4
2.5÷0.25
4.6÷2.3
9.88÷2
4.9÷0.0001
0.72÷8
0.88÷0.44
36÷0.009
99÷0.9
2.23÷0.223
0.008÷0.4

1.45+15×6= 135
2.250÷5×8=400
3.6×5÷2×4=60
4.30×3+8=98
5.400÷4+20×5= 200
6.10+12÷3+20=34
7.(80÷20+80)÷4=21
8.70+(100-10×5)=120
9.360÷40= 9
10.40×20= 800
11.80-25...

（1）1.5 × 1.5 = 2.25 （2）9.4 × 9.7 = 91.81（3）7.4 × 1.2 = 8.88（4）3.9 × 9.8 = 38.22（5）5.9 × 5.5 = 32.45（6）1.8× 9.5 = 17.1（7）6.9 × 1.4 = 9.66（8）9.6 × 5.7 = 54.72（9）9.2 × 8.2 = 75.44（10）8.8 × 0.1 = 0.88

1.45+15×6= 135
2.250÷5×8=400
3.6×5÷2×4=60
4.30×3+8=98
5.400÷4+20×5= 200
6.10+12÷3+20=34
7.(80÷20+80)÷4=21
8.70+(100-10×5)=120
9.360÷40= 9
10.40×20= 800
11.80-25...