Please explain how is
1) 26.5 - 3.14 + 9.47 - 2.1 = 30.73
2) (5.3 * 2.1) - (6.2 * 1.4) = 2.45
3) (0.001 * 100) + (89.3 + 10.6) = 100
4) 4.07 + 5.13 - 9 = 0
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1) 26.5-3.14
=23.36
=23.36+9.47
=32.83
=32.83-2.1
=30.73
2)5.3x2.1
=11.13
=6.2x1.4
=8.68
=11.13-8.68
=2.45
3)0.001x100
=0.1
=89.3+10.6
=99.9
=99.9+0.1
=100
4)4.07+5.13
=9.2
=9.2-9
=0.2
=23.36
=23.36+9.47
=32.83
=32.83-2.1
=30.73
2)5.3x2.1
=11.13
=6.2x1.4
=8.68
=11.13-8.68
=2.45
3)0.001x100
=0.1
=89.3+10.6
=99.9
=99.9+0.1
=100
4)4.07+5.13
=9.2
=9.2-9
=0.2
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