分数计算题(100分)
一、分数与整数相乘。(每题1分,共24分)
512×4=
626×13=
1115×5=
213×6=
14×8=
512×16=
942×28=
944×11=
65×15=
1324×48=
221×7=
310×20=
425
×15=
718
×12=
16×290=
17×1531=
1415
×30=
1011
×121=
914
×21
=
5×131=
79
×7=
1627
×54=
11×292=
1415
×20=
二、分数和分数相乘。(每题1分,共18分)
25
×34
=
67
×78
=
59
×185
=
1225
×1156
=
45
×190
=
23
×1165
=
49
×1267
=
1415
×2215
=
2027
×38
=
611
×2125
=
1727
×6485
=
1933
×3181
=
1234
×1376
=
313
×3276
911
×175
=
78
×251
=
79
×1385
=
817
×2107
=
三、分数乘、加、减混合。(每题2分,共16分)
716
×5603
-27
45
×1165
×14
56
×34
+1
23
+152
×145
914
-59
×2375
1-1189×4358
615
×5-153
1991
×7+183
f四、分数乘、加、减简便运算。(每题2分,共42分)
13715×26×5
5118+12×24
91714×18×14
1520116×21×5
92510×3×6
5
1
33×22×2
546-9×36
9799×98
97913-18×13
67
×12×172
815
×47
×136
911
×97×191
38
×172
+152
×38
517
×79
+79
×147
1225
×15-275
×15
5356×57
551717×16
231616125×1725×17
13
×83
56
1319×193
6613
×121636
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