.
分数简便运算专项练习 乘法分配律的运用
71855183( - )×60 ( + )×18 ( - )× 125
(220 + 15 )× 5 (1524- 368 )× 15
(2489 + 3 )× 124
.
189(89 + 427 )×27 6 16 ×(62
9+ 3
) (720- 15 )×20 ( 695×(27
18 + 30 )(35 +225)× 25
556 - 9 )×18
.
75343131712×( + + ) ×( + ) ( + )×35
2464
(35 + 4 )× 25
(15 + 37 )×7 ×5
( 47 + 89 )×7×9
.
1742(124 + 83 )×24 30(712 - 15 )×5 ×2120 + 5 )× 5×4 57×(218 + 7
30 ) 56 - 5
9 )×6×18 (84
9 + 27 )×27×3
12 ( (.
(232171
+ )× 20× 8 3×12×( - ) ( - )×6×10 208
( 56 - 59 )×18×2 6
47 ×613 + 37 ×613
223
5327×4 + 27 × 4
.
36×5×(218 + 730 ) 2356 ×59 + 59 × 16 613 ×7625 — 13 × 5 125
×5×(323+ 75)
34 ×35+ 3
24 × 5 7512 ×6 + 12 × 6
.
46363743 × + × 3×+×3 0.92×1.41+0.92×8.59 713713
165×73713-5×13 1.3
5357×8+8×57
710 ×101- 710
.
811118×11.6-1.6×1.3 23×7+23×5 2135 × 99 + 35 95×11.6+18.4×95
×347+7×21 710 ×101- 7
10 .
12×6655 + ×7+ 0.92×99+0.92 1313 14×713-713 1.3
57×13+57
17×559 + 9
.
88×11-1.3 23×20+23 12334 ×19+ 4 2395×19+95
×6613 + 13 ×34 + 3
4