相关试题
= ②
= ③0.125×16=
= ⑤0.72÷0.6= ⑥
=2220÷37= 47×67= 74×76=
123123÷1001= 3456×9999= 489+507+505+492+497+509+500
1111.5÷2.5 0﹣1﹣2+3+4﹣5﹣6+7+8﹣…﹣97﹣98+99+100．
口算：
2.5×0.7×0.8=（2.5+0.9）×0.4= 42÷0.6= 5.6×1.01=
3.9+1.01= 0.42= 4.8t﹣0.2t﹣2t=（5.5﹣5.5）÷3.3=
1.52= 3.3﹣0.7﹣0.3=
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