计算题 计算题六年级

脱式计算. 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 405*(3213-3189) 5000-56*23 125*(.

2x+17=35 3x-64=11 12+8x=52 0.8x-4.2=2.2 2x+5=10 3x-15=75 4x+4o=320 3x+77=122 5x-1.6=0.6 6x-4=20 10x-0.6=2.4 500-12x=140 1) 66x+17y=3967 25x+y=1200 答案:x.

(1) 66x+17y=3967 25x+y=1200 答案e799bee5baa6e4b893e5b19e31333236383462:x=48 y=47 (2) 18x+23y=2303 74x-y=1998 答案:x=27 y=79 (3) 44x+90y=7796 44x+y=.

(40) χ:43=12:3 (41)2.4χ-0.45*2=0.3 (42)41:81=χ:0.1 (43)6.3-5χ=4.1 (44)1.25:5=0.75:χ (45)21:χ=43:6 (46)53*2.5-χ=0.6 (47) χ-61χ=125 .

最佳答案30.8÷[14-(9.85+1.07)][60-(9.5+28.9)]÷0.182.881÷0.43-0.24*3.520*[(2.44-1.8)÷0.4+0.15]28-(3.4+1.25*2.4)2.55*7.1+2.45*7.1777*9+1111*30.8*[15.5-(3.21+5.79)] .

(464 - 461) * 5 = 15139 + (654 - 455) = 3385 * 1 * 8 = 403 / (3 / 1) = 1820 - 6 / 3 = 818(2 + 6) * 6 = 4849 / 7 / 7 = 1664 + (700 - 500) = 864(433 - 385) / 6 = 8926 - 1 * 8 = .

1) 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=.

累死了25 -15 -80 = 10 -80 = -7026 -6 -64 = 20 -64 = -4427 + 3 -48 = 30 -48 = -1828 + 12 -32 = 40 -32 = 829 + 21 -16 = 50 -16 = 3430 + 30 + 0 = 60 + 0 = 6031 + 39 + 16 = 70.

3X+18=52 x=34/3 4Y+11=22 y=11/4 3X*9=5 x=5/27 8Z/6=48 z=36 3X+7=59 x=52/3 4Y-69=81 y=75/4 8X*6=5 x=5/48 7Z/9=4 y=63/7 15X+8-5X=54 x=4.6 5Y*5=27 y=27/40 .

方程X-2/7X=3/470%X + 20%X = 3.6 25% + 10X =4/5 X - 15%X = 68 X+3/8 X=1215X-3*5/21 =5/11 6X+5 =13.4 X÷(6/35) =(26/45) *(13/25) 2(x-0.6)=4 (0.5+x)+x=9.8÷2 2(X+.