谁有五年级数学分数简便计算100题是递等式的

0.4×0.7×0.25 0.75×102 100-56.23 0.78+5.436+1 4.07×0.86+9.12.5 17 是不是这个

(45-17)+(9-3)=28+6=34, (45-17)+(9-6)=28+3=31, (45-18)+(9-3)=27+6=33 (45-18)+(9-6)=27+3=30, (45-27)+(9-3)=18+6=24, (45-27)+(9-6)=18+3=21 (45-28)+(9-3)=17+6=23, (45-28)+(9-6)=17+3=20, (46-17)+(8-3)=29+5=34 (46-1...

3.6×102 3.72×3.5+6.28×3.5 36.8-3.9-6.1=3.6×(100+2) =(3.72+6.28) ×3.5 =36.8-(3.9+6.1) =3.6×100+3.6×2 =10×3.5 =36.8-10=360+7.2 =35 =26.8=367.215.6×13.1-15.6-15.6×2.1 4.8×7.8+78×0.52 32+4.9-0.9 =15.6×[(13.1-2.1) -15.6×1] =4.8×7.8+7.8×5.2 =32+(4.9-0.9)...

简便：1. 5/2 -（ 3/2 + 4/5 ）2. 7/8 + （ 1/8 + 1/9 ）3. 5/6 + （ 1/2 + 2/3 ）4. 9/7 - （ 2/7 - 10/21 ）5. 3/7 + 49/9 + 4/7 6. 8/9 + 15/36 + 3/27 7. 1/5 + （ 3/7 + 8/10 ）分数脱式：1/3 + 3...

(46-27)+(8-3)=19+5=24, (46-27)+(8-5)=19+3=22, (46-29)+(8-3)=17+5=22 (46-29)+(8-5)=17+3=20, (54-16)+(9-2)=38+7=45, (54-16)+(9-7)=38+2=40 (54-18)+(9-2)=36+7=43, (54-18)+(9-7)=36+2=38, (54-36)+(9-2)=18+7=25 (54-...

1. 69X50+31X50 2. 27X30X58 3. 2xX38=456 4. 99X88 够不？不够再出几道。。。

25/7*100=289/5*81=458/9*16=18 已赞过 已踩过< 你对这个回答的评价是? 评论 收起 其他类似问题 2011-09-04 五年级分数小数递等式计算题 302 2011-07-22 五年级下册分数加减法简便递等式计算题!急用!!300道!(可... 495 2011-09-15 五年级300道分数、小数口算题。不多不少300道,要求有...

分数脱式：1. 1/3 + 3/4 + 1/5 2. 3/8 + 8/3 - 1/2 3. 5/6 + 1/12 + 3/4 6. 19/8 - 1/2 - 3/4 7. 7/25 + 3/10 - 2/5 10.8/15 + 7/3- 8/5 14 2/3+1/6+3/24+2/21 5\2-(3\2+4\5)7\8+1\8+1\9 9\7-(2\7-10\21)240\400+12\...

=0.16*4*25*7.8+2.2 =0.16*100*7.8+2.2 =16*7.8+2.2 =127 2÷2.5+2.5÷2 =4/5+5/4 =2.05 194－64.8÷1.8×0.9 =194-36*0.9 =194-32.4 =161.6 36.72÷4.25×9.9 =8.64*9.9 =85.536 5180－705×6 =5180-4230 =950 24÷2.4－2.5×0.8 =10...

807+20÷2 100-50÷5 35-35÷7 302+30×2 600×8÷3 40+100÷5 434+25×5 (55+6)×560-12×3 64÷8+456 640+60×4 5×7-48÷6 42÷7+36÷6 37×4+19×810×4-20÷4 15÷3+10÷5 25÷5+42 ( 5+8)×7 72÷9-36÷6 21×4-54÷9 72÷8+9×5 36÷4+21×2 25÷5-...