20道简便运算题目

赖显邦1565麻烦出20道脱式计算,(简便计算)小学四年级 -
祁虎伟17189606994 ______[答案] 1.600➗15+15X74 2.6666➗66X(88+37) 3.(35X20+80)➗20 4.66X88-52X47 5.600➗15+(74-20)

赖显邦156520道简便运算, -
祁虎伟17189606994 ______[答案] 22*77+44*55+33*66+66*88 6.28+5.74+3.72+5.26 48*6.2+6.2*52 25*125*4*8 16.9-5.6-4.4 9.08-(5.7+1.08) 5.8*99+5.8 360÷(1.2÷50) (40+1.25)*8 483+199 246-98 246+102 846-102 5.7*99 125*32 480÷72 2又11分9-(15分之9-11分只2) 4-15分之8乘...

赖显邦156520道简便运算带答案 -
祁虎伟17189606994 ______ 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 6/5-2/7+4/5-5/7 =(6/5+4/5)-(2/7+5/7) =2-1 =1

赖显邦1565急需20道简便运算题!不要太难,不要简单!5年级水平!快!不要小数呀~谢谢啦啦啦最好又答案~(*^__^*) 嘻嘻……o(∩ - ∩)o...哈哈 -
祁虎伟17189606994 ______[答案] 158+262+138 375+219+381+225 5001-247-1021-232 (181+2564)+2719 378+44+114+242+222 276+228+353+219 (375+1034)+(966+125) (2130+783+270)+1017 99+999+9999+99999 7755-(2187+755) 2214+638+286 3065-738...

赖显邦1565四年级简便计算112道 -
祁虎伟17189606994 ______[答案] 加法运算定律的简便运算题(一) 1) 500+(407+0)= 2) 386+382+114= 3) 42+(91+158+109)= 4) (87+103+113)+97= 5) (246+387+154)+13= 6) 49+(71+151+129)= 7) 255+(79+45)= 8) (169+39+131)+261= 9) 219+175+181+225= 10) 14+498+486= 11) ...

赖显邦1565帮我出20道简便计算,每种方法都有点,但不能太难. -
祁虎伟17189606994 ______[答案] 75*102 =75*(100+2) =75*100+75*2 =7500+150 =7650 1.2*2.5 =(1+0.2)*2.5 =1*2.5+0.2*2.5 =2.5+0.5 =3 90.1-9.9 =(90+0.1)-(10-0.1) =90+0.1-10+0.1 =80+0.2 =80.2 3.54*99+3.54 =3.54*99+3.54*1 =3.54*(99+1) =3.54*100 =354 272÷125 =272*8/125*8...

赖显邦1565小数混合运算练习题急.要20道简便计算题. -
祁虎伟17189606994 ______[答案] 我说了哈! 8.76+2.43+7.57 2.5*8+12.5*4 25*0.32 1.93+2.7+2.07+7.3 0.56*99+0.56 1.2*2.5*4 (0.25+2.5+25)*0.4 12.5+5*8*20 6.4*3.28+4.6*3.28-3.28 3.5*5+8*3.5 28*4*25 我只能想出这么多了.凑合着用吧!

赖显邦1565简便运算二十道题 -
祁虎伟17189606994 ______ 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 12. 6 *( 1/2 + 2/3 ) 13. 8 * 4/5 + 8 * 11/5 ...

赖显邦15658道数学简便运算题 1.负2分之1+3分之1 - 4分之1 - 5分之1+6分之1 2.负12乘负4分之3 - 负4分之3乘负8 - 负12除以3分 -
祁虎伟17189606994 ______[答案] 1.-1/2+1/3-1/4-1/5+1/6=-1/2+1/3-1/4-1/5+1/2-1/3=-1/4-1/5=-9/20 2.3分之几

赖显邦1565有谁可以出20道简便计算题给我? -
祁虎伟17189606994 ______ 56*125 24*8*5 28*65+28*35 45+65+35+55 =(7*8)*125 =(24*5)*8 =28*(65+35) =(45+55)+(65+350) =7*(8*125) =100*8 =28*100 =100+100 =7*1000 =800 =2800 200 =7000 528-53-47 470-254-46 545-167-145 325-(276+24) =528-(53+47) =...