4×23= 50×70= 120÷29≈ 14×6= 250×4=
724÷90≈ 72÷3= 510÷3= 14 1÷7≈ 900÷30=
400÷80= 240÷60= 130×5= 150×6= 4200÷70=
7×11= 16×3﹣35= 15×6+28= 260万+140万= 184万﹣84万=
相关试题
4×23= 50×70= 120÷29≈ 14×6= 250×4=
724÷90≈ 72÷3= 510÷3= 14 1÷7≈ 900÷30=
400÷80= 240÷60= 130×5= 150×6= 4200÷70=
7×11= 16×3﹣35= 15×6+28= 260万+140万= 184万﹣84万=
=
=
=
=
=
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= 1.05×4= 268÷14×0=
= 306﹣16= 5.1+0.09=
﹣
=
÷
= 9
÷3=
×3=
÷5=
×1.6= 15×60%= 25×40%=
=
=
=
=
=
=
=
=
=
+40%=
﹣24%=
×
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÷
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+
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×
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