Who has a difficult sixth grade primary school out of form calculation simple problem? Fast!

Who has a difficult sixth grade primary school out of form calculation simple problem? Fast!

45.55－（6.82＋15.55） 34.52－17.87－12.23 6.43-（1.4-0.57） 23.75－8.64－3.46 17.83－9.5－7.83－0.5 5.38+88.2-2.38+1.8 27.38－5.34＋2.62－4.66 21.63－（8.5＋9.63） 7.5－2.45＋7.5＋2.45 5.09－(0.09＋1...

100 simple arithmetic questions for sixth grade students
Don't be too simple. There should be more than two. It's not like oral arithmetic
Everybody, help

br/>44.（3.2×1.5+2.5）÷1.6 （2）3.2×（1.5+2.5）÷1.6 45.6-1.6÷4= 5.38+7.85-5.37= 46.7.2÷0.8-1.2×5= 6-1.19×3-0.43= 47.6.5×（4.8-1.2×4）= 0.68×1.9+0.32×1.9 48.10.15-10.75×0.4-5.7 49.5.8×（3...

Who has a simple multiplication problem for sixth grade students

4 / 9 this is 4 / 9, otherwise it will take a lot of time to make it a regular one. You can make do with it. 4 / 9 × 3 = 5 ／ 1 / 3 = 1 / 2 ／ 1 / 3 = 2 / 7 × 3 / 9 ／ 2 / 7 = 21 / 25 ／ 42 = 4 / 5 × 3 / 4 = 8.7 × 0.2 = 4 × 0.25 = 1 / 7 × 14 = 2 / 3 ／ 5 / 6 = 1.25 × 8 = 3 / 5 ／ 5 / 8 = 6 / 7 × 3 / 2 = 6 × 8.8 = 4 / 1

calculation
1 1
3--X1.9+19.5÷4--
3 2
22 14
--÷16X--
7 33
one
1.7÷[16X（--+0.125）+0.8]
four
Simplification
0.006X0.18
--------------
0.2X0.15X0.008
And then -- it's the fractional line. You can see that the denominator and numerator are urgently required above and below, because you have to hand in your homework tomorrow!

1 13 -- x1.9 + 19.5 ÷ 4 -- 3 2 = 10 / 3x19 / 10 + 39 / 2x2 / 9 = 19 / 3 + 13 / 3 = 32 / 3 (32 / 3) 22 14 -- △ 16x -- 7 33 = 22 / 7x1 / 16x14 / 33 = 1 / 12 11.7 ÷ [16x (- -)