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1. 直接写出得数。(20☆)
$28.5×100=$
$380÷1000=$
$0.118×100=$
$35.9÷100=$
$7.5×10=$
$930÷30=$
$676-235=$
$120×50=$
$380÷100=$
$1.003×100=$
$28.5×100=$
2850
$5.6÷100=$0.056
$13.9÷10=$1.39
$240÷40+60=$66
$380÷1000=$
0.38
$0.03×10=$0.3
$68.9÷100=$0.689
$25×9×40=$9000
$0.118×100=$
11.8
$2.9×10=$29
$3.62×10=$36.2
$660÷60×5=$55
$35.9÷100=$
0.359
$0.05×1000=$50
$360÷100=$3.6
$640÷8÷2=$40
$7.5×10=$
75
$0.75×1000=$750
$62÷1000=$0.062
$125×8×9=$9000
$930÷30=$
31
$4.15×10=$41.5
$0.33×100=$33
$101×42-42=$4200
$676-235=$
441
$6.5÷10=$0.65
$390÷100=$3.9
$500÷25÷4=$5
$120×50=$
6000
$73.06÷10=$7.306
$0.6÷100=$0.006
$40×18+10=$730
$380÷100=$
3.8
$63.5÷100=$0.635
$400÷1000=$0.4
$84-120÷4=$54
$1.003×100=$
100.3
$345÷1000=$0.345
$56.9÷10=$5.69
$88×9+88=$880
答案
2850 0.056 1.39 66
0.38 0.3 0.689 9000
11.8 29 36.2 55
0.359 50 3.6 40
75 750 0.062 9000
31 41.5 33 4200
441 0.65 3.9 5
6000 7.306 0.006 730
3.8 0.635 0.4 54
100.3 0.345 5.69 880
0.38 0.3 0.689 9000
11.8 29 36.2 55
0.359 50 3.6 40
75 750 0.062 9000
31 41.5 33 4200
441 0.65 3.9 5
6000 7.306 0.006 730
3.8 0.635 0.4 54
100.3 0.345 5.69 880
2. 列竖式计算。(18☆)
$260×25=$
$966÷56=$
$260×25=$
6500
$509×87=$44283
$312×72=$22464
$966÷56=$
17……14
$607÷23=$26……9
$467÷17=$27……8
答案
6500 44283 22464
17……14 26……9 27……8
17……14 26……9 27……8
3. 计算下面各题,能简算的要简算。(9☆)
$400-(1560÷65+35)$ $32×[275÷(23+32)]$ $125×88+45×98$
$400-(1560÷65+35)$ $32×[275÷(23+32)]$ $125×88+45×98$
答案
341 160 15410
