5 分数的加法和减法
直接写得数
4.3+3.57= 6.3÷0.9= 2.4×0.5= 1÷0.2÷0.5=
5﹣
﹣
= 10÷10%= 1÷0.2÷0.5= 7×
÷7×
=
直接写得数
30﹣19.02= 1﹣0.94+0.06= 3.125+1
= 1×5÷
×
=
1÷0.1﹣1×0.1= 12×3.14﹣6.28=
+
+
=
×0.25+3=
直接写得数.
+
=
×3.6= 2.4﹣1
= 12
÷3=
23﹣2.03﹣2.003= (64+
)×
= 3.6÷0.36=
×4÷
×4=
1
﹣
﹣
= (
﹣
)×30=
10×2= 72﹣47= 20×5= 27+15= 20÷2=
63÷3= 27×5= 510÷3= 40×9= 23×30=
84÷4= 15÷3= 12×4= 513×9= 4×815=
99÷9= 75÷5= 205÷5= 46×10= 24×20=
872﹣124= 27+127= 700÷5= 350+70= 591÷3=
8×122= 178÷2= 30×80= 800÷8= 265+85=
110×35= 901÷3= 0÷245= 0×245= 0+245=
245÷5= 3000﹣300= 605÷5= 50×50= 306÷3=
702﹣199= 480÷3= 120×80= 27×8= 62×15=
860÷4= 19×5= 40×20= 520﹣430= 51×17=
15×61= 87÷3= 91×31= 80÷10= 465÷5=
870÷8= 400×20= 210÷7= 4500÷9= 5×80=
300×30= 88+112= 380÷7= 36×8= 86×7=
27×90= 33÷3= 880÷8= 480÷8= 22×22=
16×50= 19×39= 270÷30= 92×7= 38×60=
14×4= 130×4= 810÷3= 72﹣24= 16×4=
=
=
=
=
=
=
=
= 8×7+6= 6×7+6=
36÷3÷2= 5×5+4= 50﹣24÷4= 9+9÷9= 800﹣800÷4=
8×9﹣7= 72﹣72÷6= 8+2×10= 90﹣30÷3= 6×80﹣20=
12×3÷3= 5×8﹣8= 57×3×0= 86﹣86÷2= 8×2×7=
24+15+6= 18÷3﹣4= 50×6+0= 45+55÷5= 70×(40﹣32)=
300÷2÷5= 960÷4÷2= 51﹣4×6÷3= 3000﹣6×408= 500﹣412÷4=
(400﹣394)×706= 1+2+3+4+5+6+7+8+9+10= 1+11+111+1111+1111= 1+12+123+1234+12345= 10000﹣1000﹣100﹣10﹣1=
(1)12×5= (2)0.25×0.8= (3)5÷10= (4)0.72÷0.9=
(5)
+
= (6)
﹣
= (7)1.36+3.4= (8)5.72﹣(1.72+2.5)=
在空格里填上适当的数,使横、竖行三个数之和都是
.
| _________ |
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| _________ |
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= 
= 
= 
=
+
= 
= 
= 
=
=
=
﹣
= 10+2.52= (
=
×
= (
+
)×12=
÷
×
﹣50% 60%×
1﹣
÷5
+
﹣
÷90%
﹣12.5% 48%×
25%÷
÷2×
=
+
=
÷25%= 3.05+6.2= 9.8﹣0.98=
﹣
= 1﹣
= 5×7+5=
+
].
,另一个减数是
,差是
,被减数是多少?
﹣
=
+
=
+
+
+
=
﹣
= 1﹣
﹣
= 0.53=
+
﹣
=
﹣
+
,比另一个加数少
,两数之和是多少?
.
.
+
+
+
﹣
﹣(
﹣
) 8﹣
﹣
.
与
的和,差是多少?
与
的差,再减去
,正好是
,这个数是多少?
与
的差还多
的数是多少?
表示成分母不同的两个单位分数的和.(列出所有可能的表示情况).
.
,求这两个单位分数之差的最小值.
.

﹣
+
﹣

=
÷20=
=
+2= 0.3+
=
+0.75=
=
= 0.5×40= 2﹣
=
﹣
=
=
=
=
=
=








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