道四年级简便运算练习题
562+107-262+398
25 X 42 X
4
4X 25+16X 25 (25+15) X4 道四年级简便运算练习题49 X 99+49
667-554+333-146 365+245-89-311
68+32 X5
68X 125X 8 4X 39X 25
25 X 64 X
125
(68+32 )X5
(125 X25) X4
85 X 82 + 82 X 15
5 X289
X2
(125 + 17 )X8
25 X 97 + 25 X3
4X 25X 16X 25
(25 X15) X4
36 X
99
49 X 49+49 X
51
64 X15 —14
X15
125 >88 88 X
102
87 X 99 +
87
79 X25 + 25 76 X01 —76
378 + 527 + 73 167 + 289 + 33 58 + 39 + 42 + 61 125X 6X 8 25 X
24
32 X
305
36 X45+36 X56 —36 66 X 93+93 X 3393 99 X 32 103X 15 78 X24 —24 X58 46 X25 36 >45+36 X56 —36 66 X93+93 X33+93 (68+32 )X5 68+32 X5
97 + 89 + 11 88 X 102 125X 88
36 X 97—58 X 36+61 X
36 3000 - 25 - 4
49 X49+49 X(40+6 ) X25
49X 99+49
720 - 15-6
5000 - 8- 125 99 X23 + 23
723- ( 223+311 ) -89 731- (268-69 ) -232 (176+302 ) +(224+498 )
56 X7 + 45 X7 —7 125 X3 X87 2 书X(51 + 19) 3.4 十4.6 —
2.9
268+543+342-243 372+ (56+228 ) +144 72 X125
728 X79 十272 X9 85 + 47 + 15 + 53
8.59 + 2.57 十3.43 十5.47
123 X54 + 123 X36 39 X4X5 64 X25X125 26 + 47 + 174 815 + 49 + 65 + 14 + 11
9X44 X250 6X8X125X7 125X ( 8+4 ) X25
18 + 77 + 40 + 23 + 48 71 + 73 + 69 + 74 + 68 + 70 + 69
(72X5) X125 (91+91+91+91) X 25
165X65-65 X65 18X18+81 X18+18 54 X45+45X
45+45
900 —178 —122 (79 十21 )-20 125 X72
X4
99 X85+85 25+25X29 99X99+99
(29X5-29 ) X25 (30+6 ) X25 (125+125X 7) X21
25X79 25X104 (80+48 ) X125 199+199X99 280X36+360 X72 180X9+182X90 (125+41) X8 125X ( 8X4) X25 98X102 89X101 64 X99
48X24+76X48 76X176-76 X76-76 93X24+8X24-24
201 X97 1001
X48
(375+1034)+(966+125 ) (2130+783+270)+1017 99+999+9999+99999
980X4700 -47 14X810-27 26X510- (13X17)
(181+2564 ) +2719 378+44+114+242+222 276+228+353+219 69X18^69X18 (75X240) -25 96X125-48
7755 - (2187+755) 2214+638+286 3065 - 738 - 1065 899+344 4900-25-4 76000-125-8 9600 -25
2357 - 183 - 317 - 357 2365 - 1086 - 214 497 - 299 2370+1995 158+262+138 375+219+381+225 5001 - 247 - 1021 - 232
32000-125
3999+498 1883 - 398 12 X25 75 X24
79 X 42+79+79 X 57
7300 -25 T
8100 -4 -75
102 X 76 58 X 98
178 X 101 — 178 84 X 36+64 X 84
138 X25 X 4 (13 X 125) X (3 X8) (12+24+80) X 50 123 X 18 — 123 X 3+85 X 123 50 X(34 X 4) X 3 25 X(24+16 )
704 X25
25 X 32 X 125 32 X(25+125) 88 X 125
75 X 99+2 X 75
83 X 102 — 83 X 2
98 X 199
178 X99+178