Answers to exercises a and B in New Concept English lesson 58-70

Answers to exercises a and B in New Concept English lesson 58-70

Lesson58 P-116A1. She usually drinks tea in the morning, but this morning, she is drinking coffee.2. They usually play in the garden in the afternoon, but this afternoon, they are playi...

Calculation: 17 of 99 and 18 * (- 6)

17 × (- 6) of 99 and 18
=(100-1 / 18) × (- 6)
=- 600 + 1 / 3
=- 599 and 2 / 3

Simple calculation 18 * (- 2 / 3) + 13 * 2 / 3-4 * 2 / 3 fast

18*（-2/3）+13*2/3-4*2/3
=-12+2/3×(13-4)
=-12+2/3×9
=-12+6
=-6

How much is 4.87 + 18 / 13 + 5.3 (simple calculation)

4.87+18/13+5.3
=4.7+0.17+5/13+1+5.3
=11+17/100+5/13
=11+17*13/100+500/1300
=11+721/1300

76 × 168 =? Simple operation

76×168
=(75+1)×168
=75×168+1×168
=(25×3)×(4×42)+168
=(25×4)×(42×3)+168
=100×126+168
=12600+168
=12768

How to calculate 99 × 168 simply

How to calculate 168 - (68-49) simply?

168-(68-49)
=（168-68）+49
=100+49
=149

How to calculate 860-168 + 159 with simple operation

860-168+159
=(860-160)+(159-8)
=700+151
=851

Simple calculation of 55 × 168 + 31 × 55

55×168＋31×55
=55×(168+31)
=55×199
=55×(200-1)
=55×200-55×1
=11000-55
=10945

Simple calculation: 222 / 18
efs

222222222/18
=2×9×12345679/(2×9)
=12345679