一、口算。
$20×3=$ $110 - 50=$ $600 + 600=$
$84÷2=$ $90 + 30=$ $120 - 30=$
$32×2=$ $600 + 800=$ $140 - 70=$
$96÷3=$ $70 + 50=$ $140 - 90=$
$24×2=$ $1700 - 800=$ $20 + 90=$
$11×4=$ $160 - 90=$ $40 + 70=$
$88÷8=$ $50 + 60=$ $120 - 70=$
$33×3=$ $60 + 90=$ $1100 - 300=$
$60÷3=$ $150 - 60=$ $80 + 80=$
$21×4=$ $700 + 600=$ $130 - 40=$
$20×3=$ $110 - 50=$ $600 + 600=$
$84÷2=$ $90 + 30=$ $120 - 30=$
$32×2=$ $600 + 800=$ $140 - 70=$
$96÷3=$ $70 + 50=$ $140 - 90=$
$24×2=$ $1700 - 800=$ $20 + 90=$
$11×4=$ $160 - 90=$ $40 + 70=$
$88÷8=$ $50 + 60=$ $120 - 70=$
$33×3=$ $60 + 90=$ $1100 - 300=$
$60÷3=$ $150 - 60=$ $80 + 80=$
$21×4=$ $700 + 600=$ $130 - 40=$
答案
一、60 60 1200
42 120 90
64 1400 70
32 120 50
48 900 110
44 70 110
11 110 50
99 150 800
20 90 160
84 1300 90
42 120 90
64 1400 70
32 120 50
48 900 110
44 70 110
11 110 50
99 150 800
20 90 160
84 1300 90
二、在$◯$里填“>”“<”或“=”。
$70 + 70◯150$ $120 - 40◯80$ $110 - 40◯130 - 60$
$90 + 40◯140$ $80◯130 - 50$ $170 - 90◯150 - 70$
$70◯140 - 60$ $150◯50 + 90$ $160 - 70◯140 - 50$
$80 + 70◯150$ $800◯1100 - 200$ $120 - 70◯140 - 90$
$1900◯900 + 900$ $160 - 80◯80$ $110 - 60◯130 - 70$
$70 + 70◯150$ $120 - 40◯80$ $110 - 40◯130 - 60$
$90 + 40◯140$ $80◯130 - 50$ $170 - 90◯150 - 70$
$70◯140 - 60$ $150◯50 + 90$ $160 - 70◯140 - 50$
$80 + 70◯150$ $800◯1100 - 200$ $120 - 70◯140 - 90$
$1900◯900 + 900$ $160 - 80◯80$ $110 - 60◯130 - 70$
答案
二、< = =
< = =
< > =
= < =
> = <
< = =
< > =
= < =
> = <
登录