姓名 得分
二、用简便方法计算下面各题。(90分,4×20+5×2) 1125-997 998+1246 4 (
1413+3.2+5
23+6.8 12
25-(1
27+2
25) 400÷125÷8 25×(37×8)
-
16)×12 1
34×2
415×
47 34×(2+
1334) 125×8.8 4.35+4.25+3.65+3.75 3.4×99+3.4
17.15-8.47-1.53 17 ( 2.42÷
1
56-3
34-4
56
79÷2
15+
511×
29 0.125×0.25×32 22.3-2.45-5.3-4.55
1112+
718+
524)×72 4.25-3
56-(2
16-1
34) 187.7×11-187.7 43
78×
12+57.125×
14533
-0.5 3 ×( - ÷ )
157144211371223445
+4.58×1-4÷3 2 ×6.6+2.5×6 11 -6 -1 4.6+3 +6 +5.4 2.8+5 +7.2+3 4 -(2 + )
2583355995512343
35325353534451143 4 +2.25+5 +7 7 +4 +2 53 -16 +16 2 +3 -3 +1 +1 0.75+ + +0.375 5-2 -1 8845751171179797841717
4444415515135344
+9 +99 +999 +9999 48.3-15 -4 9 ×4.25+4 ÷6 0.625×0.5+ + ×62.5% 31 ×72 ÷31 16 +(2 -1.8) 555556682813857
9999311717817
2.5×( + + + ) 22× +25×75%-7×0.75 0.25×63.5- ×13 6 ×2.5-2 ×4 3 +3.125+1 +1 1125-996
1010101044215215998
33317147743
(111+999) ÷[56×( - )] 49.5×10 -(50- )×0.6 ×4 +5 ÷1 + 45×( + -0.6) 7× -37.5%+104×0.375
78521119197119158
13174
3 ×(5 -5.375) 3.5×1 +1.25×2 +3.8÷ 71×99 3755+2996 8439+1001 446+295 888+999 484105
31
72×156-56×72 25×32×125 709×99+709 14. 0.25×48 2.5× 0.4×2 299×101 563×999
73
2
1331
2×6.6+2.5×6 75.3×99+75.3 4.6×3.7+×0.37 0.125×+×8.25+12.5% 8.37-3.25-(1.37+1.75) 2100÷20 28
7123323353
11―6―1 15―4.25―5 19.82―6.57―3.43 4.6+3+6+5.4 4+2.25+5+7 9.63÷2.5÷4 6÷0.25 83314455884 3- ( (32×
3
712-
512
57×
38+
58×
587 15×
516+
527÷
109
18×(
49+
56)
23×7+
23×5 (
16-
112)×(24-
45)
57×
47+
47)÷
47
15÷[(
23+
15)×
113]
23×7+
23×5 (
16-
112)×24-
45) (
57×
47+
47)÷
417 5÷[(
23+
15)×
113]
14+17)÷
512
(25+
34)÷
14+
1184 25×
916+
725×
916+
(21×+×21)× (99+)÷9 ×÷16 77410568
934194551415÷[(
45+
23)×
1011] (
56+
45)×30
13+3÷
152 6×-
56910÷ 4-
59511-
711
18×58+
18×41+
18
4455×7×
4-
12 10 - 712119 - 19 + 19
45235×6+
5÷
5 25×13 ÷52 ×310 45155÷[(
8-
2)÷
8] 13.09-8.12-4.88 235 - 135÷18 12×103-4500÷75 4
35 ×153 – 0.6×53 1138 ×[2 ÷(105 ×9 )] (45 +177
4 )÷3 +10 (215 +3
11
)×15×11
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