分数乘法简便运算(一)
71855183
( - )×60 (+ ×18 ( - ×125695189
218427
( + )× 5 ( + )×27 6 ×() 205
16735×13-75×13
53557×8+8×7
625 × 24 34
445 ×10 25
(1537 )×7
927×11.6-1.6×1.3 23×7+23×5 21×3435 38×8 35 (71125)×5 × 12 ( 1
183095×11.6+18.4×95×34
7+7
×21 6
13 ×12 4
5 ×2.5 56 - 5
9 )×6×18 1.3
×
分数乘法简便运算(二)
482184
( )×7×9 ( )× 5×4 ( )×27×3 79205927
47552154
×× ×16× ××14 598
235× 4 × 4 6
710 ×101- 710
12×661313
16×(7 - 23)
12644 × 6
75218 ×730) 35× 99 + 3558×7+5
8 0.92(321
5 + 25 )× 25 1- 16 ×(5 - 23)
2
13
74
17×(125 × 34) 710×101- 7
10×99+0.92
52114 × 25252910 + 10
6563
×101 × 78 ×28
7727100 14×
7799
- 1.3×11-1.3 ×19+
1313
(220 + 38)× 20×
6 ×5×(218730 )
57×13+57
17×559 + 9
(1524- 38)× 615
×12×(23×(218 +730)22
3×20+3 1234 ×19+ 34 2316×(69+2
3)3
5516) (3
5
)× 25 (71
12 - 5 )×60
×613613
×33
4 + 4(35 +225)× 2
30 8 3
753431317
12×( ) ×() ( + )×35
2464174572
[1**********]3
× + ×× + × ×+ × 713713
467×13 + 37×613
89×427 ×27
25×210 ×56
5749 ×64 1
7512×6+12
6996338×711+411×33
8 0.92521714× 25 ×5 ×47 ×35 -57 ×2125 543
13
×7+8 4
4545×1.41+0.92×8.59 324 × 5×5
7 23 ×1
5 ×6 12+(54×4
5) 133×5+45
分数乘法简便运算(一)
71855183
( - )×60 (+ ×18 ( - ×125695189
218427
( + )× 5 ( + )×27 6 ×() 205
16735×13-75×13
53557×8+8×7
625 × 24 34
445 ×10 25
(1537 )×7
927×11.6-1.6×1.3 23×7+23×5 21×3435 38×8 35 (71125)×5 × 12 ( 1
183095×11.6+18.4×95×34
7+7
×21 6
13 ×12 4
5 ×2.5 56 - 5
9 )×6×18 1.3
×
分数乘法简便运算(二)
482184
( )×7×9 ( )× 5×4 ( )×27×3 79205927
47552154
×× ×16× ××14 598
235× 4 × 4 6
710 ×101- 710
12×661313
16×(7 - 23)
12644 × 6
75218 ×730) 35× 99 + 3558×7+5
8 0.92(321
5 + 25 )× 25 1- 16 ×(5 - 23)
2
13
74
17×(125 × 34) 710×101- 7
10×99+0.92
52114 × 25252910 + 10
6563
×101 × 78 ×28
7727100 14×
7799
- 1.3×11-1.3 ×19+
1313
(220 + 38)× 20×
6 ×5×(218730 )
57×13+57
17×559 + 9
(1524- 38)× 615
×12×(23×(218 +730)22
3×20+3 1234 ×19+ 34 2316×(69+2
3)3
5516) (3
5
)× 25 (71
12 - 5 )×60
×613613
×33
4 + 4(35 +225)× 2
30 8 3
753431317
12×( ) ×() ( + )×35
2464174572
[1**********]3
× + ×× + × ×+ × 713713
467×13 + 37×613
89×427 ×27
25×210 ×56
5749 ×64 1
7512×6+12
6996338×711+411×33
8 0.92521714× 25 ×5 ×47 ×35 -57 ×2125 543
13
×7+8 4
4545×1.41+0.92×8.59 324 × 5×5
7 23 ×1
5 ×6 12+(54×4
5) 133×5+45