捆甲、乙两个盒子，哪个盒子需要的彩带更长？比另一个长多少厘米？
直接写得数． 10÷=÷=×= 55×÷=×2= 1÷=÷= 0×+=
口算我最棒= 26×======= 6.4÷20%= 125%×8=
直接写出得数．×= 1÷=÷60%=×15=﹣= 4.5+=×= 6.8÷10%=
直接写得数 24×= 72×= 12÷=÷3= 0÷=3÷=×=﹣×0=
口算×15=×2=×=×=÷=÷3=÷5=÷=
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= 55×
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×2= 1÷
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= 26×
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= 6.4÷20%= 125%×8=
×
= 1÷
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= 6.8÷10%=
= 72×
= 12÷
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×15=
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