??????????????????????????????????????????

小学教育网

??????????????????????????????????????????

15??12??68??	24??1×8??	79??46??27??	41??4×7??	9×8×4??
8×4??41??	3×1??67??	126??5×6??	32÷8×8??	18??11??6??
7÷1??29??	97??52??57??	5×3??6??	80÷5÷4??	40÷10??17??
58??0×1??	159??8×9??	43??78??76??	5×9×5??	8÷8??0??