Question

【題目】計算，直接寫得數

× =________	×9=________	× =________	×70=________
﹣ =________	× =________	× =________	×10=________
× =________	× =________	× =________	9× =________
×10=________	× =________	140× =________	+ =________
× =________	20× =________	75× =________	×25=________

Answer 1

【答案】；；；5；；；；；；；；6；；；60；；；16；50；

【解析】解：

× =	×9=	× =	×70=5
﹣ =	× =	× =	×10=
× =	× =	× =	9× =6
×10=	× =	140× =60	+ =
× =	20× =16	75× =50	×25=