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20道简便运算带答案

4.8×10.1 =4.8×10+4.8×0.1 =48+0.48 =48.48 4.5×0.99 =4.5×1-4.5×0.01 =4.5-0.045 =4.455 3.4+3.4×99 =3.4×100 =340 187.7×11-187.7 =187.7×10 =1877 12×12/13 =12×13/13-12/13 =12-12/13 = 11又12/13 24×11/23 =11-1-1/23 =9又22/23 6/5...

类型一:(注意:一定要括号外的数分别乘括号里的两个数,再把积相加) (40+8)×25 125×(8+80) 36×(100+50) 24×(2+10) 86×(1000-2) 15×(40-8) 类型二:(注意:两个积中相同的因数只能写一次) 36×34+36×66 75×23+25×23 63×43...

99+(38+101)=238 125×64=8000 500-99-1-98-2=300 260÷13÷2=10 101+202+303=606 373-(173+40)=160 125×15×8×6=90000 25×32×125=100000 125×(6×8)=6000 25×(4×12)×5=6000 898-133-67=698 360÷8÷5=9 (363+95)+(37+105)=...

20道简便运算带答案 解答 几年级的, 再补充一下吧, 问题不大全, 不好说, 要不你自己百度一下试试看,很方便

4.8×10.1 =4.8×10+4.8×0.1 =48+0.48 =48.48 4.5×0.99 =4.5×1-4.5×0.01 =4.5-0.045 =4.455 3.4+3.4×99 =3.4×100 =340 187.7×11-187.7 =187.7×10 =1877 12×12/13 =12×13/13-12/13 =12-12/13 = 11又12/13 24×11/23 =11-1-1/23 =9又22/23 6/5...

1、56+31+24=(56+24)+31=80+31=111, 2、615+475+125 =615+(475+125)=615+600=1215 3、125×64 =125×8×8=1000×8=8000 4、 89+101+111=101+(89+111)=101+200=301 5、24+127+476+573 =(24+476)+(127+573)=500+700=1200 6、400-273...

几位数的?加减乘除?简单运算多少以内的?你告诉我我写纸上给你发过来你看可以不?

40X15+60X15 =(40+60)X15 =100X15 =1500

(1)2.65×1.7+13.5×0.17 (2)19.94+99.7×99.8 (3)19.98×37-199.8×1.9+1.998×20 (4)0.525÷13.125÷4×85.2 (5)7.5×2.3+1.9×2.5+22.5×0.4 (6)26.39+26.39×83-263.9×1.9 (7)5.1×0.68×7.8÷(1.7×0.34×1.3) (8)4.5×7.5×4.8÷(1.5×2.5×2.4) (9)0.1+0.2+0.3+…...

1. 3/7 × 49/9 - 4/3 2. 8/9 × 15/36 + 1/27 3. 12× 5/6 – 2/9 ×3 4. 8× 5/4 + 1/4 5. 6÷ 3/8 – 3/8 ÷6 6. 4/7 × 5/9 + 3/7 × 5/9 7. 5/2 -( 3/2 + 4/5 ) 8. 7/8 + ( 1/8 + 1/9 ) 9. 9 × 5/6 + 5/6 10. 3/4 × 8/9 - 1/3 11. 7 × 5/49 + 3/14...

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