混合简便运算题100道 解方程100道及答案

混合简便运算题100道

2100-21*53+2255 (103-336÷21)*15 800-(2000-9600÷8) 40*48-(1472+328)÷5 (488+344)÷(202-194) 2940÷28+136*7 605*(500-494)-1898 (2886+6618)÷(400-346) 9125-(.

408-12*24 (46+28)*60 42*50-1715÷5 32+105÷5 (108+47)*52 420*(327-238) (4121+2389)÷7 671*15-974 469*12+1492

一、口算下面各题.(23分)10-2.65= 0.9*0.08= 528-349= 6+14.4= 24÷0.04=12.34-2.3. 1- 62.5%= 二、写出下列每题在简便运算时所运用的定律或性质(12分)4 +3.2+5 +6.

解方程100道及答案

1) 3X-(1/2+1/4)=7/12 3X=7/12+3/4 3X=4/3 X=4/9 (2) 6.6-5X=3/4-4X 6.6-0.75=-4X+5. 3x+6=18 2(2.8+x)=10.4 (x-3)÷2=7.5 13.2x+9x=33.3 3x=x+100 x+4.8=7.2 6x+18=48 3(x+.

1)87x+2y=7733 20x+32y=4364 答案:x=87 y=82 2)44x+60y=6340 15x+42y=4122 答案:x=20 y=91 3)11x+74y=3548 71x+45y=4730 答案:x=40 y=42 4)53x+54y=3229 70x.

2(x-2)-3(4x-1)=9(1-x) 11x+64-2x=100-9x 15-(8-5x)=7x+(4-3x) 3(x-7)-2[9-4(2-x)]=22 3/2[2/3(1/4x-1)-2]-x=2 2(x-2)+2=x+1 5x^2+3x+1=0 7x^2+x+12=0 2x^2+4x+4=0 8x^2+3x+1=0.

小数连减简便运算50道

3.25+1.79-0.59+1.75 23.4-0.8-13.4-7.2 0.32*403 3.2+0.36+4.8+1.64 1.23+3.4-0.23+6.6 0.25*36 12.7-(3.7+0.84) 36.54-1.76-4.54 0.25*0.73*4 7.6*0.8+0.2*7.6 0.85*199 0..

159-57-4312*8.96*0.88-6*0.126.13*94+6.13*6180÷48÷2.55.4*39840÷8÷12.590.6-(8+20.6)6*16*1.2567.5÷9÷1.251.5+29.4+8.5174.9+506.8-206.83.94*94+3.94*628*25*.

1.125*3+125*5+25*3+25 2.9999*3+101*11*(101-92) 3.(23/4-3/4)*(3*6+2) 4. 3/7 * . 2/3 32. 8/7 * 21/16 + 1/2 33. 101 * 1/5 – 1/5 * 21 34.50+160÷40 35.120-144÷18+35 36..

分数脱式计算题100道

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 – . 184*38+116*38-11300 (79691-46354)÷629 325÷13*(266-250) 74+100÷5*3 (440-280).

7 5 11 6 5 1------ - ------ + ------- ------ + ------ - ------ 8 6 12 7 14 2 17 25 5 2 58 - ------ - ------- 1------ - 〔---- + ----〕 42 42 9 3 95 1 1 11 2 1 7 — - 〔— + —〕 — - — + — - —9 6 .

6x + 3/10 + 10 * 60.18 - 18.1 = 644 6x + 3/10 + 10 * 60.28 - 28.1 = 635 6x + 3/10 + 10 * 60.38 - 38.1 = 626 6x + 3/10 + 10 * 60.48 - 48.1 = 617 6x + 3/10 + 10 * 60.58 - 58.1 .

简便运算100道带答案

300÷125÷8=300÷(125*8)=300÷1000=0.3396-96-172-28 =(396-96)-(172+28)= 300-200 = 100 125*24 = 125*8*3 = 1000*3= 3000360÷24=360÷6÷4=60÷4=15240÷48=240÷24÷2=10÷2=527+456+73 =(27+73)+456 =100+456 =55624÷4+56÷4 =(24+56)÷4 =80÷4 =202.5*0.7*0.8 =(2.5*0.8)*0.7 =60*0.7 =42800÷32=800÷8÷4=100÷4=25630÷42=630÷6÷7=105÷5=15

1) 86+49+114= 2) 240+(39-40)= 3) 255+(352+145+48)= 4) (345+377)+(55+23)= 5) . 60) 4*17+4+1982*4= 还有100个清楚点的1) 86+49+114= 2) 240+(39-40)= 3) 255+(352.

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