hyfm.net
当前位置:首页 >> 等式计算30题及答案 >>

等式计算30题及答案

1) 3-(a-5)>3a-4 (a<3) 2) -6分之5x+3<3分之2X+1 (x>1又3分之1) 3)3-4[1-3(2-x)] 大于 6(1-3分之2x)<2+5分之1(10-15x)1.2x+9y=81 3x+y=34 2.9x+4y=35 8x+3y=30 3.7x+2y=

518+171+482+129 329+78+271 59*4*25 3*125*13*8 96*125 4*301*25*3 326+326*99 104*73 23*(300+2) 58+19*58 32*62+68*62 递等式计算: 16*21*250 103*15 125*39-25*39 25*204 50*16*125 44*250 125*25*50*64 (750+250)÷125*12 59.

1.下列不等式中,是一元一次不等式的有[ ]A.3x(x+5)>3x2+7;B.x2≥0;C.xy-25.2.不等式6x+8>3x+8的解是[ ]3.3x-7≥4x-4的解是[ ]A.x≥3;B.x≤3;C.x≥-3;D.x≤-3.4.若|m-5|=5-m,则m

(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 (46-17)+(8-5)=29+3=32,

1.3/7 * 49/9 - 4/32.8/9 * 15/36 + 1/273.12* 5/6 2/9 *34.8* 5/4 + 1/45.6÷ 3/8 3/8 ÷66.4/7 * 5/9 + 3/7 * 5/97.5/2 -( 3/2 + 4/5 )8.7/8 + ( 1/8 + 1/9 )9.9 * 5/6 + 5/610.3/4 * 8/9 - 1/311.7 * 5/49 + 3/1412.6 *( 1/2 + 2/3 )13.8 * 4/5 + 8 * 11/514.31 * 5/6 5/

问题补充:0.64*25*7.8+2.2 =0.16*4*25*7.8+2.2=0.16*100*7.8+2.2=16*7.8+2.2=1272÷2.5+2.5÷2 =4/5+5/4=2.05194-64.8÷1.8*0.9 =194-36*0.9=194-32.4=161.636.72÷4.25*9.9 =8.64*9.9=85.5365180-705*6 =5180-4230=95024÷2.4-2.5*0.8 =10-

66x+17y=3967 25x+y=1200 答案:x=48 y=47 (2) 18x+23y=2303 74x-y=1998 答案:x=27 y=79 (3) 44x+90y=7796 44x+y=3476 答案:x=79 y=48 (4) 76x-66y=4082 30x-y=2940 答案:x=98 y=51 (5) 67x+54y=8546 71x-y=5680 答案:x=80 y=59 (6)

=30÷15+15x30=2+15x3x10=2+450=452

网站首页 | 网站地图
All rights reserved Powered by www.hyfm.net
copyright ©right 2010-2021。
内容来自网络,如有侵犯请联系客服。zhit325@qq.com