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六年级数学上册 解方程
38χ=270×10% χ÷37=20×40% χ÷15=34:2
(45+3.2)χ=23 (1+14)χ=20 47χ÷15=12
75%χ-14χ=50 1+60%χ=61 χ+250%χ=10.5
78χ=21 χ÷95=81 6χ-χ=350
56χ+70=135 12χ×58=528 14χ+34=56
38χ-20=100 χ÷56= 23 23χ-15χ=35
60%χ-1.4×7=11.2 23χ-38χ=49 χ-14χ-60%χ=450
2χ+4(8+χ)=56
60%χ=75 (1+20%)χ=36 40%χ-80=120
4χ+2χ=50 χ-30%χ=3.5 34χ-25%χ=25
78χ=16×58 χ-25χ=9 16χ+23χ=80
x-x=21 24-120%x=18 x-4×=
X-X= X÷=15× 40%X-=
×x=
X+X=
17-120%X=5 X-12%X=2.816 ×-X=
(+)= (1-25%)=36 30% = 90
+ 20% = 40 (+)= (1-25%)=36
6×9-x =26.8 + 20% = 40 10×χ=
χ+1χ= χ-χ=1 +3χ=
ⅹ+ⅹ=15 ⅹ∶=∶ X÷=
X-X= X÷=15× 40%X-=
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