题目:
|
答案:
①
×7=3 14
;②3 2
×3 7
=3 7
;③9 49
×6=3 10
; ④9 5
×9 16
=8 3
;3 2
⑤
×3×1 8
=8 9
,⑥1 3
+1 4
×3 4
=1 3
; ⑦11 2
×2 3
=1; ⑧3 5
×10=7 15
;14 3
|
①
×7=3 14
;②3 2
×3 7
=3 7
;③9 49
×6=3 10
; ④9 5
×9 16
=8 3
;3 2
⑤
×3×1 8
=8 9
,⑥1 3
+1 4
×3 4
=1 3
; ⑦11 2
×2 3
=1; ⑧3 5
×10=7 15
;14 3