Jawab pertanyaannyano.1. 50 – 10 – 10 – 102. 10+25+35+753. 2×4×10:2

1. 50-10=40-10=30-10=20
2. 10+25=35+35=70+75=145
3. 2×4=8×10=80÷2=40

No
1.
50 – 10 – 10 – 10
= 40 – 10 – 10
= 30 – 10
= 20

2.
10 + 25 + 35 + 75
= 35 + 35 + 75
= 70 + 75
= 145

3.
2 × 4 × 10 : 2
= 8 × 10 : 2
= 80 : 2
= 40

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