分?jǐn)?shù)乘除法簡便運算100題(有答案)

1、分?jǐn)?shù)乘除法簡便運算100題有答案1+×3 ×9 2- × 3 ×7 - 4 ×+ × 5×+× 6 ×- × 7 ×6 - × 6 8+×+×9 37× 10 × 24 （11） ×+ ×- 12×101- （13） ×× 14 × 99 + （15） ( + )×7 ×9 163×25 17 36× 18 ( - )× 192

2、6× 2032×21 22 (23) 24 25 26 27)- ×- × 28 29 ÷÷ 30×(15×) （31） ×× 3225×43354×- ) 34（35) (36) (37) (38) (39) (40) (41) (42) (43) (44) 6.8××3.2 (45) 101× (46) ×15 (47)8÷8(48) ×× (49 90× 50×+×51&

3、#215;+÷ 5218×+53×7+×5 54×2455×+÷ 56÷+×57 ×× 58×3 59 60 （61） (32×17)÷ 6225÷ 63 ××64 65 （66） 21××21× 6799÷9 (68) ÷× (69)×30 (70)×÷ (71) ×58×41(72) ×× (7

4、3) ×÷ (74) ÷÷ (75) ×153 0.6×53 (76)÷ (77)×÷(×) (78) ()×15×11 (79) (80) 46× (81) 2021× (82) ×× (83 ×× 8436× 85× 86 ×101- 87 88 × × 8917× 91×37 922004×(93)73× (94) 166

5、÷41 (95)×39 + ×25 + × (96)1×2 - + 15 ÷ (97)2000÷2000 (98) (99)3×25 + 37.9×6 (100)9+7÷+ 分?jǐn)?shù)乘除法簡便運算100題答案1+×3 ×9 =31 2- × =0 3 ×7 - = 4 ×+ × = 5×+× = 6 ×- × = 7 ×6 - × 6 =1 8+×+×= 9 3

6、7× = 3 10 × 24 = × 25-1 =5（12） ×+ ×- = 12×101- =70 （14） ××=0 14 × 99 + =60 （16） ( + )×7 ×9=92 163×25=95 17 36× 18 ( - )×=1 =35+1× = 341926× 2032× =25+× =30+× =5 =2721 = 22 =7 (23)= 24=5 25 =12 26= 27)- 

7、15;- ×=0 28 =37 29 ÷÷= 30×(15×) = （32） ××= 3225×4= 103 3354×- )=3 34=109（36) =0 (36) =19 (38) =58 (38) =7 (39) = (40) =750(42) =64 (42) =5 (43) =60(45) 6.8××3.2 =2 (45) 101× =16 (46) ×15 =10 (47)8÷8=1(48) ×× = (49 90

8、5; = 1 50×+×=51×+÷= 5218×+=2353×7+×5 =8 54×24=155×+÷= 56÷+×=357 ××= 58×3 =1000 59 = 60 =1（62） (32×17)÷=60 6225÷=103 63 ××=64 =20 65 =0（67） 21××21× = 6799÷9 =11 (69) ÷× =

9、(69)×30 =49 (70)×÷ = (71) ×58×41=12.5(73) ××= (73) ×÷ = (74) ÷÷】= 4 (75) ×153 0.6×53=60 (76)÷= (77)×÷(×) = (78) ()×15×11 =67 (79)=3 (80) 46×=44 (81) 2021×=2006 (82) ××= (83 ××

10、 =8436×= 85×= 86 ×101- =28 87 =88 × × = 8917× = 9 91×37 922004×=1-×37 = 2003+1×= 1×37 - ×37 = 2003× + 1×= 36 =67 (93)73× = (72 + )× = 72 × + × = 9(94) 166÷41 = (164 + )× = 164× + × = 4(95)×39 + ×25 + ×= ×13 + ×25 + ×= ×13 + 25 + 2= ×40 = 30 (96)1×2 - + 15 ÷ = ×1 + 15×= ×1 + 15= 21(97)2000÷2000 = 2000÷ = 2000 ÷ = (98) = = = 1 (99)3×25 + 37.9×6 = 3×25 + 25+12.5×6