分数乘除法简便运算 100 题(有答案)84336(1)( +)×3 ×9(2)( -)×927(3) 16 ×(7 - 23 )(5)239 ×534 +27 × 4(7) 712 ×6 - 512 × 6(9) 37× 335(11)15321 ×4 + 1021 ×334 - 48815(4) 55516 ×9 + 9 × 66) 613 ×7625 - 13 × 5(8)38 +38 ×47 +338 ×7(10) 625× 24(12) 710 ×101- 710(888833(13)×—×(14)× 99 +999955484(15)( + )×7 ×9(16)3×2579(17) 36×3435(19)26213 × 51 1 1 (21) 10 25 3747(23) 7 8 7 8(25) 35 20 5 6 (27)334338 - 8 ×7 - 8 ×75(18) ( 56 - 59 )×185(20)32255 ×635 5 5(22)7 7(24) 9 19 29 1926) 559 12 49 51228)63 3762((2291626(29)÷+÷(30)×(15× )293137375283(31)××(32)25×4831545 1117 85121824 72(33)54×( - )(34)96356851921 4 19 0
3752325113 (36) 725(35)811 531115313 1 6848126424 24(37) (38) 71125434265 578157 5911 (40)343(39) 9 555 111