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How to do the fourth question on page 34 of the first volume of the fifth grade mathematics classroom exercise book published by People's Education Press? Urgent! ! ! ! Online, etc
365*86.4=3 153.6 kg

3 153.6kg = 3 1.536t。

31.536 * 45 =1419.120 tons

1419.12/20 = 70.956 months.

About July

Answer, answer yourself.

I hope it helps you.

34. second question

Pear+peach = total

4x+x= 108

x= 180÷5

x=36

35. Fourth question

Mingming+Liangliang+Qiangqiang =96

x+2x+3x=96

x=96÷6

x= 16

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