1.3/7 × 49/9 - 4/3
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1.3/7×49/9-4/31.3/7×49/9-4/31.3/7×49/9-4/33/7×49/9-4/3=7/3-4/3=11.3/7×49/9-4/3=1.3*7/9-12/9=1.3*7/9-
1.3/7 × 49/9 - 4/3
1.3/7 × 49/9 - 4/3
1.3/7 × 49/9 - 4/3
3/7 × 49/9 - 4/3
=7/3-4/3
=1
1. 3/7 × 49/9 - 4/3
=1.3*7/9-12/9
=1.3*7/9-7/9-5/9
=0.3*7/9-5/9
=-2.9/9
-29/90
3/7 × 49/9 - 4/3
=7/3-4/3
=3/3
=1
1.3/7 × 49/9 - 4/3这道题
1.3/7 × 49/9 - 4/3
要分数计算练习题,如:1.3/7 × 49/9 - 4/3
1.3/7 × 49/9 - 4/3 2.8/9 × 15/36 + 1/27 3.12× 5/6 – 2/9 ×3 4.8× 5/4 + 1/4 5.6÷ 3/8 – 3是1.2.3.4.5.注意
3/7 × 49/9 - 急叽叽叽叽叽叽叽叽叽叽
六年级分数混合运算35道不要1.3/7 × 49/9 - 4/3 2.8/9 × 15/36 + 1/27 3.12× 5/6 – 2/9 ×3 4.8× 5/4 + 1/4 5.6÷ 3/8 – 3/8 ÷6 6.4/7 × 5/9 + 3/7 × 5/9 7.5/2 -( 3/2 + 4/5 ) 8.7/8 + ( 1/8 + 1/9 ) 9.9 × 5/6 + 5/6 10.3/4 × 8/9 -
2 + 1 = 9 4 + 2 = 36 7 + 0 = 49 9 + 3 =
3/4 × 8/9 - 1/3简便运算和7 × 5/49 + 3/14快.
求90道分数加减乘除的混合运算题如3/7 × 49/9 - 4/3
1***4*3*7* **7***8** 49***7*5* **14*6*** 6***7***3 ***5*39** **9***4** 7*2*9***8
1+2-3+4+5-6+7+8-9+…+49+50-51
1+2+8+5+22+3+4+6+37+7+9+0+49=?
1+2-3+4+5-6+7+8-9+...+49+50-51答案是多少?
化简:1:√9*49 2::√16*7 3:√ 12/25 4::√27
1+2+3+4+5+6+7+8+9+.+49+50简便计算,
2*1+4*3+6*5+8*7+10*9+.+50*49急,快来帮我解答.
2*1+4*3+6*5+8*7+10*9+.+50*49解题过程
2*1+4*3+6*5+8*7+10*9+.+50*49