Ответ:
34300 : 70 = 490; 3780 : 7 = 540; 14400 : 70 = 205; 90100 : 53 = 1700; 64400 : 70 = 920; 21 · 60 = 1260; 432 · 70 = 30240; 6200 · 90 = 558000; 248000 : 80 = 3100; 880 · 4 = 3520; 261 + 887 = 1148; 811 + 56 = 867; 116 + 846 = 962; 277 + 101 = 378; 264 + 223 = 487; 990 − 287 = 703; 473 − 322 = 151; 710 − 332 = 378; 715 − 6 = 709; 470 − 336 = 134; 408000 : 8 = 51000; 637000 : 7 = 91000; 30 · 91 = 2730; 85600 : 5 = 17120; 828000 : 9 = 92000.
