比比谁先到对岸．
7.5﹣4.3= 2.18+6.72= 7﹣0.99=
0.47+6= 4.4+0.39= 6.3+3.6=
0.95﹣0.32= 2.4+7.3= 10.7﹣5.7=
5.4+5.04= 3.74﹣1.44= 4﹣0.01=
比比谁先到对岸．
7.5﹣4.3= 2.18+6.72= 7﹣0.99=
0.47+6= 4.4+0.39= 6.3+3.6=
0.95﹣0.32= 2.4+7.3= 10.7﹣5.7=
5.4+5.04= 3.74﹣1.44= 4﹣0.01=
÷5+
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+
﹣
）×18
+
=
÷
=
﹣
+
+
=
+
+
=
+
×
=
÷
=
×
=
÷
=
减去4.2与它的
相等，求这个数。
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