《2025年速算天地数学口算心算五年级上册苏教版》

速算 1
$400 + 90 = $490 $4 × 250 = $1000
$160 - 90 = $70 $560 ÷ 7 = $80
$360 ÷ 90 = $4 $400 × 10 = $4000
$300 × 4 = $1200 $0 ÷ 27 = $0
$200 × 80 = $16000 $540 ÷ 6 = $90
$720 ÷ 90 = $8 $170 × 3 = $510
$76 - 39 = $37 $750 ÷ 5 = $150
$450 + 50 = $500 $800 - 80 = $720
$96 ÷ 24 = $4 $40 + 480 = $520
$750 ÷ 5 = $150 $16 × 30 = $480
$70 × 20 = $1400 $660 + 440 = $1100
$5 × 180 = $900 $740 - 160 = $580
$15 + 59 = $74 $290 × 30 = $8700
$560 ÷ 80 = $7 $800 ÷ 40 = $20
$700 ÷ 10 = $70 $20 + 180 = $200
$140 ÷ 7 = $20 $910 ÷ 13 = $70
$400 + 100 = $500 $700 ÷ 5 = $140
$110 - 70 = $40 $98 ÷ 49 = $2

答案： 解析：本题可根据整数和小数的四则运算规则来进行速算。
答案：
$400 + 90 = 490$
$4 × 250 = 1000$
$160 - 90 = 70$
$560 ÷ 7 = 80$
$360 ÷ 90 = 4$
$400 × 10 = 4000$
$300 × 4 = 1200$
$0 ÷ 27 = 0$
$200 × 80 = 16000$
$540 ÷ 6 = 90$
$720 ÷ 90 = 8$
$170 × 3 = 510$
$76 - 39 = 37$
$750 ÷ 5 = 150$
$450 + 50 = 500$
$800 - 80 = 720$
$96 ÷ 24 = 4$
$40 + 480 = 520$
$750 ÷ 5 = 150$
$16 × 30 = 480$
$70 × 20 = 1400$
$660 + 440 = 1100$
$5 × 180 = 900$
$740 - 160 = 580$
$15 + 59 = 74$
$290 × 30 = 8700$
$560 ÷ 80 = 7$
$800 ÷ 40 = 20$
$700 ÷ 10 = 70$
$20 + 180 = 200$
$140 ÷ 7 = 20$
$910 ÷ 13 = 70$
$400 + 100 = 500$
$700 ÷ 5 = 140$
$110 - 70 = 40$
$98 ÷ 49 = 2$