比比谁的口算能力强．
2.37+0.63= 436﹣297= 1﹣3÷7= 0.99×9+0.99= 1÷
=
16×25%= 0.72÷0.6= 1﹣50%﹣
= 
+
+
= 1.25×0.16×8=
×0÷
= 
+
﹣+=
比比谁的口算能力强．
2.37+0.63= 436﹣297= 1﹣3÷7= 0.99×9+0.99= 1÷=
16×25%= 0.72÷0.6= 1﹣50%﹣= ++= 1.25×0.16×8=×0÷= +﹣+=
试题篮
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