百分数、小数、分数混合计算、解方程
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百分数、小数、分数混合运算与解方程
姓名: 家长签名: 一、计算题。
85-50% = 60%×65 = 65÷31= 65
÷5
=
95÷90% = 8
5- = 91÷31= 1-72
= 25%÷31= -21 = 74+73= 95×10
3 =
48%×21= 8
5+% = 97-32= 641
×8 =
1-72% = ×83= 83×32= 31+71
=
二、解方程。
125%X -X =28 X +30%X =65 X -20%X =
41
X +25%X = X -20%X =16 X -25%X =4
3
X -15%X = 2X +30%X = 125%X -X =44
(1+40%)X =98 (1-60%)X = (1-70%)X =
60%X +25=40 78%X +45=84 4
1
+20%X =1
三、用简便方法计算。
41×27+4
3×27 32×—522÷4
115×69%+31%×11
5 41×+×25%
×21+83×79 %×63+8
5
×37
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