一、口算。
$32×2=$ $140-90=$ $60+80=$
$96÷3=$ $20+90=$ $70+50=$
$24×2=$ $600+600=$ $170-80=$
$20×3=$ $120-30=$ $110-50=$
$84÷2=$ $140-70=$ $900+300=$
$33×3=$ $80+80=$ $600+900=$
$60÷3=$ $1300-400=$ $150-60=$
$21×4=$ $40+70=$ $70+60=$
$11×4=$ $1200-700=$ $160-90=$
$88÷8=$ $110-30=$ $50+60=$
$32×2=$ $140-90=$ $60+80=$
$96÷3=$ $20+90=$ $70+50=$
$24×2=$ $600+600=$ $170-80=$
$20×3=$ $120-30=$ $110-50=$
$84÷2=$ $140-70=$ $900+300=$
$33×3=$ $80+80=$ $600+900=$
$60÷3=$ $1300-400=$ $150-60=$
$21×4=$ $40+70=$ $70+60=$
$11×4=$ $1200-700=$ $160-90=$
$88÷8=$ $110-30=$ $50+60=$
答案
64 50 140
32 110 120
48 1200 90
60 90 60
42 70 1200
99 160 1500
20 900 90
84 110 130
44 500 70
11 80 110
32 110 120
48 1200 90
60 90 60
42 70 1200
99 160 1500
20 900 90
84 110 130
44 500 70
11 80 110
二、在$〇$里填“$>$”“$<$”或“$=$”。
$80$$〇$$110-20$ $70$$〇$$140-60$ $120-70$$〇$$140-90$
$160-80$$〇$$80$ $800+700$$〇$$1500$ $110-60$$〇$$130-70$
$120-40$$〇$$80$ $190$$〇$$90+90$ $160-70$$〇$$140-50$
$80$$〇$$130-50$ $70+70$$〇$$150$ $110-40$$〇$$130-60$
$150$$〇$$50+90$ $90+40$$〇$$140$ $1700-900$$〇$$1500-700$
$80$$〇$$110-20$ $70$$〇$$140-60$ $120-70$$〇$$140-90$
$160-80$$〇$$80$ $800+700$$〇$$1500$ $110-60$$〇$$130-70$
$120-40$$〇$$80$ $190$$〇$$90+90$ $160-70$$〇$$140-50$
$80$$〇$$130-50$ $70+70$$〇$$150$ $110-40$$〇$$130-60$
$150$$〇$$50+90$ $90+40$$〇$$140$ $1700-900$$〇$$1500-700$
答案
二、< < =
= = <
= > =
= < =
> < =
= = <
= > =
= < =
> < =
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