《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 33
306×5=1530 304×4=1216 230×8+8=1848
500×8=4000 601×7=4207 309×7=2163
310×5=1550 740-700=40 5×500+5=2505
0×780=0 870×6=5220 703×9=6327
4×900+32=3632 170-80=90 6×400+9=2409
57×2=114 85×2=170 57×7=399
116×7=812 630×2=1260 480×2=960
3×61=183 208×7=1456 4×41=164
73×2=146 684-400=284 205×6=1230
9×900=8100 369+100=469 540×4=2160
2×260=520 700+80=780 4×45=180
206×8=1648 290×6=1740 3×324=972
906×9=8154 6000+400=6400 950×8=7600
0×6=0 660-60=600 7×800=5600
2×92=184 864-324=540 4×308=1232

答案： 解析：本题是一个口算练习题，涉及到基础的乘法、加法和减法运算。
答案：
$306 × 5 = 1530$
$304 × 4 = 1216$
$230 × 8 + 8 = 1848$
$500 × 8 = 4000$
$601 × 7 = 4207$
$309 × 7 = 2163$
$310 × 5 = 1550$
$740 - 700 = 40$
$5 × 500 + 5 = 2505$
$0 × 780 = 0$
$870 × 6 = 5220$
$703 × 9 = 6327$
$4 × 900 + 32 = 3632$
$170 - 80 = 90$
$6 × 400 + 9 = 2409$
$57 × 2 = 114$
$85 × 2 = 170$
$57 × 7 = 399$
$116 × 7 = 812$
$630 × 2 = 1260$
$480 × 2 = 960$
$3 × 61 = 183$
$208 × 7 = 1456$
$4 × 41 = 164$
$73 × 2 = 146$
$684 - 400 = 284$
$205 × 6 = 1230$
$9 × 900 = 8100$
$369 + 100 = 469$
$540 × 4 = 2160$
$2 × 260 = 520$
$700 + 80 = 780$
$4 × 45 = 180$
$206 × 8 = 1648$
$290 × 6 = 1740$
$3 × 324 = 972$
$906 × 9 = 8154$
$6000 + 400 = 6400$
$950 × 8 = 7600$
$0 × 6 = 0$
$660 - 60 = 600$
$7 × 800 = 5600$
$2 × 92 = 184$
$864 - 324 = 540$
$4 × 308 = 1232$