人教版四年级数学下册计算题大全21Word文档下载推荐.docx
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(____×
____)
(4)(125+20)×
8=8×
____+8×
____
(5)(m+90)×
8=____×
____+____×
四、用简便方法计算下面各题。
146×
5+454×
5201×
11
719×
4×
2525×
96×
4
28+42+1851+22+29
63×
50×
250×
(2+4)
324-66-34231-51-131
68×
38+62×
685500÷
20÷
5
363+43+65775+208+25
6000÷
2÷
50050×
35×
20
25+76+75+24140+200+600+560
56×
25999×
36+36
187-33-18-49587-287-63-37
503×
1925×
2818×
205
5+6+7+…+22+23+24
1087×
17-87×
1748+199×
48
5+7+9+…+19+21+23
6.59+5.3+2.77.05-1.5-2.5
5.35-1.9+2.6519.8+0.97+0.03+7.2
5.7+6.5+4.78.85-1.31-5.69
31+3.1+4.8+917.93+5.13+2.87
5.14+8.87+0.863.91+4.4+3.09+5.6
2.5+0.95+9.05+3.58.46+2.11-6.46
8.1-0.9=1.7+5.2=35.5-2=0.51-0.3=
2+0.7=9.4+2.1=6.4-4=0.74-0.17=
454+2614.58+3.0686.95+3.11138.1+22.3
66×
14469×
51286÷
131728÷
96
(1)4.4+9.88+5.6=4.4+____+9.88
(2)(13.4+8.3)+1.7=____+(____+____)
(3)33×
5×
20=____×
(4)(125+50)×
(5)(a+60)×
7=____×
441×
3+359×
3201×
58
740×
525×
38×
39+14+7662+48+28
48×
2×
5020×
(5+10)
195-33-67769+28-569
33×
29+71×
333800÷
50
434+49+45138+488+22
3000÷
500÷
87×
35+55+65+45120+480+120+780
72×
25199×
34+34
123-25-18-57742-42-52-48
201×
1325×
1218×
105
2+3+4+…+19+20+21
1084×
96-84×
9655+9×
55
9+11+13+…+23+25+27
3.73+1.7+6.37.28-2.5-1.5
5.01-1.7+4.9917.1+0.27+0.73+12.9
9.4+2.9+9.49.13-2.25-1.75
77+4.7+4.3+384.77+2.02+6.98
2.13+7.53+7.871.01+9.7+8.99+0.3
3.7+1.62+3.38+4.37.12+0.31-4.12
7.7-0.9=3.5+8.2=68.7+2=0.63+0.17=
6.2+0.5=9.4+1.9=8.6+2.3=0.51+0.23=
410+1614.89+2.1721.96+2.72155.7+84.7
18×
47753×
94736÷
32330÷
11
(1)5.2+3.57+4.8=5.2+____+3.57
(2)(15.29+4.8)+5.2=____+(____+____)
(3)49×
(4)(125+90)×
(5)(b+70)×
389×
3+611×
3199×
31
256×
252×
61×
50
73+24+5681+72+19
87×
2525×
(4+8)
580-43-57926+49-426
11+89×
486600÷
50÷
2
651+58+84224+390+26
9000÷
200÷
54×
48×
250
70+53+30+47160+90+910+640
96×
74+74
895-16-26-58984-684-70-30
1825×
3216×
104
6+7+8+…+23+24+25
1052×
93-52×
9388+99×
88
1+3+5+…+15+17+19