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Math! ! ! ! ! ! ! ! ! ! ! ! ! 1
1. Estimate: No.4 is the most.

Calculation: No.65438 +0: 2/3 area, about 66.7%.

Second place: 5/8 of the area, about 62.5%.

No.3: The floor area1015 = 2/3, which is about 66.7%.

Fourth place: 3/4 of the area, about 75%.

5th place: occupying 5/7 of the area, which is about 7 1.4%.

A: No.4 rose has the largest planting area. This estimate is correct.

2.( 1). Blue is food expenses, water, electricity, gas and telephone charges are green (pink is ok), education expenditures are pink (green is ok), savings are red, and others are yellow.

(2). Family monthly income: N yuan, total expenditure: A yuan (for example). Expenditure: percentage of meals (meals divided by total expenditure), percentage of utilities and telephone charges (divided by total expenditure, hereinafter referred to as A), percentage of education expenditure (education expenditure divided by A), percentage of savings (savings ÷a) and others (others ÷a). Remember to round up and add "%".