直接写出得数．
0.89﹣0.29= 125×8= 1﹣0.06= 24×5= 2.5+8.5=
4×25= 5.3+4.7= 99.2+0.08= 87.3﹣4.4﹣5.6= 36×7+7×64=
直接写出得数．
0.89﹣0.29= 125×8= 1﹣0.06= 24×5= 2.5+8.5=
4×25= 5.3+4.7= 99.2+0.08= 87.3﹣4.4﹣5.6= 36×7+7×64=
是30，其中一个数是90，另一个数是多少？
÷
表示
= 7×
=
=
×6÷
=
×
=
×16=
÷2=（
）×16=．
=
=
= 902=
= 8：10=
=
×12=
=
=
=
÷7= 1÷
= 12÷
=
+3÷
=
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