相关试题
直接写得数
40+35= 108﹣82= 10×0= 72÷8=
700×6= 10×4= 35÷6= 3×8+4=
21×5≈ 48×7≈ 199×2≈ 108×3≈
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= 
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= 1﹣
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=．
直接写得数．
26+29= 22×4= 44+17= 90÷3=
80﹣45= 1300﹣500= 120×3= 64﹣18=
88÷2= 500×6= 1400﹣700= 300×7=
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+= 
﹣
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×
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÷
=
﹣
+
= 
÷2÷
+
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﹣
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+
= 1﹣
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+
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+
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﹣
= 1﹣
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