《2025年灵机一动小学数学口算心算三年级上册苏教版》

口算练习 25
1
$2×85= $170
$300×2+6= $606
$65×8= $520
$5×12= $60
$6×20= $120
$6×807= $4842
$90×9= $810
$2×91= $182
$340×7= $2380
$406×7= $2842
$530×3= $1590
$320×3= $960
$5×206= $1030
$5×720= $3600
$700×6+70= $4270
2
$700×3+21= $2121
$750×3= $2250
$705×3= $2115
$504×3= $1512
$3×620= $1860
$3×808= $2424
$400×5= $2000
$740×2= $1480
$544×2= $1088
$3×300+30= $930
$2×643= $1286
$6×708= $4248
$8×600+8= $4808
$206×6= $1236
$620×7= $4340
3
$420×3= $1260
$6×75= $450
$210×3= $630
$94×7= $658
$4×705= $2820
$2×560= $1120
$4×79= $316
$1×343= $343
$203×6= $1218
$7×15= $105
$34×5= $170
$804×6= $4824
$9×720= $6480
$607×3= $1821
$823×2= $1646

答案： 1. 170
606
520
60
120
4842
810
182
2380
2842
1590
960
1030
3600
4270
2. 2121
2250
2115
1512
1860
2424
2000
1480
1088
930
1286
4248
4808
1236
4340
3. 1260
450
630
658
2820
1120
316
343
1218
105
170
4824
6480
1821
1646